More from this Author
Found 333 books by Alexandre. Dumas
The Count of Monte Cristo
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Count of Monte Cristo
by Alexandre. Dumas, Umberto. Eco (Introduction by), Peter Washington (Translator)
The Count of Monte Cristo
by Alexandre. Dumas
The Count of Monte Cristo
by Alexandre. Dumas, Roger Celestin (Introduction by)
The Man in the Iron Mask
by Alexandre. Dumas, Keith Wren (Introduction by, Notes by)
The Black Tulip
by Alexandre. Dumas, Robin Buss (Translator, Introduction by, Notes by)
The Three Musketeers
by Alexandre. Dumas, Lowell Bair (Translator)
The Last Cavalier
by Alexandre. Dumas, Lauren Yoder (Translator)
The Three Musketeers
by Alexandre. Dumas, George Evans (Illustrator)
The Best of Alexandre Dumas 4 Volume Set
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, William Barrow (Translator), Édouard Zier (Illustrator)
The Story of a Nutcracker
by Alexandre. Dumas, Sarah Ardizzone (Translator)
El Conde de Montecristo (Tomo I)
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, Richard Pevear (Translator, Introduction by), Tom Gauld (Illustrator)
The Man in the Iron Mask
by Alexandre. Dumas, Luc Sante (Introduction by, Notes by)
The Man in the Iron Mask
by Alexandre. Dumas, Joachim Neugroschel (Translator), Francine Du Plessix-Gray (Introduction by)
The Last Cavalier
by Alexandre. Dumas, Lauren Yoder (Translator)
The Man in the Iron Mask
by Alexandre. Dumas, Roger Celestin (Introduction by), Jack Zipes (Afterword by)
The Red Sphinx
by Alexandre. Dumas, Lawrence Ellsworth (Translator)
The Count of Monte Cristo
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Robin Buss (Translator, Introduction by, Notes by)
The Three Musketeers
by Alexandre. Dumas, Alan Weissman (Adapted by), John Green (Illustrator)
La dama de las camelias
by Alexandre. Dumas, Alexandre Dumas
El Conde de Montecristo
by Alexandre. Dumas
Georges
by Alexandre. Dumas, Werner Sollors (Editor), Jamaica Kincaid (Foreword by), Tina A. Kover (Translator)
The Three Musketeers
by Alexandre. Dumas, Alan Furst (Introduction by), Jacques Le Clercq (Translator)
The Knight of Maison-Rouge
by Alexandre. Dumas, Julie Rose (Translator), Lorenzo Carcaterra (Introduction by)
The Three Musketeers
by Alexandre. Dumas, Allan Massie (Introduction by)
The Man in the Iron Mask
by Alexandre. Dumas
The Count of Monte Cristo
by Alexandre. Dumas
The Count of Monte Cristo
by Alexandre. Dumas, Unknown (Cover Design by), Lou Cameron (Illustrator)
Classic Starts®: the Man in the Iron Mask
by Alexandre. Dumas, Oliver Ho (Abridged by), Troy Howell (Illustrator), Arthur Pober (Afterword by)
The Count of Monte Cristo
by Alexandre. Dumas, Sarah Holroyd (Introduction by)
Los Tres Mosqueteros
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, Tom Kidd (Illustrator), Peter Glassman (Afterword by)
The Three Musketeers
by Alexandre. Dumas, Malvina G. Vogel (Adapted by)
The Count of Monte Cristo
by Alexandre. Dumas, Robin H. Waterfield (Abridged by)
Three Novels
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, Norman Price (Illustrator), Earl C. Van Swearingen (Illustrator)
The Count of Monte Cristo
by Alexandre. Dumas, Unknown (Cover Design by), Lou Cameron (Illustrator)
The Three Musketeers
by Alexandre. Dumas, Jacques Le Clercq (Translator)
The Three Musketeers
by Alexandre. Dumas, Sudley (Translator), Robin H. Waterfield (Abridged by)
The Three Musketeers
by Alexandre. Dumas, Richard Pevear (Translator), Pevear Richard (Translator)
The Count of Monte Cristo
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, Thomas Flanagan (Introduction by), Marcelle Clements (Afterword by), Eleanor Hochman (Translator)
The Three Musketeers: Illustrated Young Readers' Edition
by Alexandre. Dumas, Brett Helquist (Illustrator)
The Man in the Iron Mask (Collins Classics)
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, Peter Harness (Afterword by)
The Man in the Iron Mask
by Alexandre. Dumas, Lorenzo Carcaterra (Introduction by)
The Three Musketeers
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Malvina Vogel (Editor)
El Hombre de la máscara de Hierro
by Alexandre. Dumas
Ten Years Later
by Alexandre. Dumas
Man in the Iron Mask
by Raymond H. Harris (Adapted by), Brendan Lynch (Illustrator), Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
Classics Illustrated #8
by Alexandre. Dumas, Steven Grant (Adapted by), Dan Spiegle (Illustrator)
The Man in the Iron Mask
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, Eleanor Hochman (Revised by, Translator), Thomas Flanagan (Afterword by)
The Man in the Iron Mask
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Mead Schaeffer (Illustrator)
The Odyssey
by Roy Thomas (Text by), Greg Tocchini (Artist), Alexandre. Dumas, Homer (Text by)
The Man in the Iron Mask
by Alexandre. Dumas, Edcon (Adapted by)
The Corsican Brothers
by Alexandre. Dumas
The Eighth Crusade
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, George Evans (Illustrator)
The Man in the Iron Mask
by Alexandre. Dumas, David Coward (Editor)
The Three Musketeers: Iillustrated Young Readers' Edition
by Alexandre. Dumas, Brett Helquist (Illustrator)
The Three Musketeers
by Alexandre. Dumas, Bruce Buchanan (Adapted by), Amit Tayal (Illustrator)
The Three Musketeers
by Alexandre. Dumas, Will Hobson (Translator)
The Three Musketeers
by Alexandre. Dumas
The Nutcracker
by Alexandre. Dumas, Douglas Munro (Translator), Phillida Gili (Illustrator), E. T. A. Hoffmann (Based on a story by)
Twenty Years After
by David Coward (Editor), Alexandre. Dumas
The Tower
by Alexandre. Dumas
The Count of Monte Cristo
by David Coward (Editor), Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Dan Spiegle (Illustrator)
The Three Musketeers
by Alexandre. Dumas, Todd Strasser
The Man in the Iron Mask
by Alexandre. Dumas, Paul Mantell
Louise de la Vallière
by Alexandre. Dumas, David Coward (Editor)
The Three Musketeers, Level 15
by Alexandre. Dumas, Susan Gates, Daniel Postgate (Illustrator)
The Vicomte de Bragelonne
by Alexandre. Dumas, David Coward (Editor)
The Three Musketeers
by Alexandre. Dumas, Janice Greene (Adapted by)
The Three Musketeers
by Alexandre. Dumas, Peter Raby (Adapted by)
The Man in the Iron Mask
by Alexandre. Dumas, Lorenzo Carcaterra (Introduction by)
The Three Musketeers
by Alexandre. Dumas
The Count of Monte Cristo Promo
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Karen Holmes (Retold by)
The Man in the Iron Mask
by Alexandre. Dumas
Black - the Story of a Dog
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Ken Battlefield (Illustrator)
The Three Musketeers
by Alexandre. Dumas
The Three Musketeers
by Ronne Randall (Abridged by), Robert Dunn (Illustrator), Alexandre. Dumas
Fernande
by Alexandre. Dumas, A. Craig Bell (Translator)
The Queen's Necklace
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Ken Battefield (Illustrator)
The Queen's Necklace
by Alexandre. Dumas
The Man in the Iron Mask
by Paul Mantell, Bill Dodge (Illustrator), Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Vicomte de Bragelonne
by Alexandre. Dumas, David Coward (Editor)
The Man in the Iron Mask
by Alexandre. Dumas, Luc Sante (Introduction by)
The Man in the Iron Mask
by Alexandre. Dumas
Le Comte de Monte Cristo
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
Joseph Balsamo
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
Le Comte de Monte-Christo
by Alexandre. Dumas
Level 2: the Three Musketeers
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
La Reine Margot
by Alexandre. Dumas, David Coward (Editor)
The Three Musketeers
by Alexandre. Dumas, Jan Fields (Adapted by), Mike Lacey (Illustrator)
Memoirs of a Physician
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, Deborah Felder (Adapted by)
The Man in the Iron Mask
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Stephen Feinstein (Adapted by)
The Man in the Iron Mask
by Alexandre. Dumas
L2:Three Musketeers Bk and MP3 Pack
by Alexandre. Dumas, Alexander Dumas
The Three Musketeers
by Jim Pipe (Adapted by), Penko Gelev (Illustrator), Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Karen Kelly (Adapted by), Mike Lacey (Illustrator)
The Man in the Iron Mask
by Alexandre. Dumas
El Conde de Montecristo
by Alexandre. Dumas
The Three Musketeers
by David Coward (Editor), Alexandre. Dumas
Chicot the Jester
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, BookSource Staff (Compiled by)
The Man in the Iron Mask
by Alexandre. Dumas
Chicot the Jester
by Alexandre. Dumas
Robin Hood
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Emily Hutchinson (Adapted by)
The Three Musketeers
by Alexandre. Dumas
Celebrated Crimes
by Alexandre. Dumas
The Corsican Brothers
by Alexandre. Dumas, Frank Wynne (Foreword by), Andrew Brown (Translator), Sophie Lewis (Translator)
La Reine Margot
by David Coward (Editor), Alexandre. Dumas
The Count of Monte Cristo
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Laurel Associates Inc. Staff (Editor), Saddleback Educational Publishing Staff (Editor)
The Three Musketeers
by Jim Pipe (Retold by), Alexandre. Dumas, Penko Gelev (Illustrator)
Napoleon Bonaparte
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Count of Monte Cristo
by Karen Kelly (Adapted by), Scott Fisher (Illustrator), Alexandre. Dumas
Robin Hood
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, A. Dumas
The Three Musketeers
by Alexandre. Dumas
The Man in the Iron Mask
by David Coward (Editor), Alexandre. Dumas
Louise de la Valliere
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas, David Coward (Editor)
The Three Musketeers
by Alexandre. Dumas, Maurice Leloir (Illustrator), E. H. Blashfield (Illustrator)
The Three Musketeers
by Ronne Randall (Adapted by), Alexandre. Dumas, Robert Dunn (Illustrator)
Ali Pacha
by Alexandre. Dumas
Chicot the Jester
by Alexandre. Dumas
The Queen's Necklace
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
The Queen's Necklace
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, Barbara T. Cooper (Introduction by, Introductions and notes by)
The Man in the Iron Mask
by Alexandre. Dumas
Ange Pitou
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, Simon Vance (Read by)
The Black Tulip
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
Twenty Years After
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
La Tulipe Noire
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
Chicot the Jester
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
Twenty Years After
by Alexandre. Dumas
Joan of Naples
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
From Paris to Cadiz
by Alexandre. Dumas, A.E. Murch (Translator)
Dominoes: the Three Musketeers
by Alexandre. Dumas, Clare West (Contribution by)
The Three Musketeers
by Alexandre. Dumas
The Man in the Iron Mask - the Original Classic Edition
by Alexandre. Dumas
The Count of Monte Cristo V1
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Count of Monte Cristo
by Pauline Francis (Retold by), Alexandre. Dumas, Bob Doucet (Illustrator)
Das Halsband der Königin
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
La dama de las camelias
by Alexandre. Dumas
My Pets
by Alexandre. Dumas, Alfred Allinson (Translator)
Louise de la Valliere
by Alexandre. Dumas
The Queen's Necklace
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
Das Halsband der Königin
by Alexandre. Dumas
Man in the Iron Mask
by Jim Pipe (Retold by), Penko Gelev (Illustrator), Alexandre. Dumas
The Count of Monte Cristo V1
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Naunerle C. Farr (Editor), Frank Redondo (Illustrator)
The Corsican Brothers
by Alexandre. Dumas
Ten Years Later
by Alexandre. Dumas
Ten Years Later
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, Laurel Associates Inc. Staff (Editor), Saddleback Educational Publishing Staff (Editor)
The North American Review V56
by North American Review Corporation, Charles Dickens, Alexandre. Dumas
The Vicomte de Bragelonne
by Alexandre. Dumas
Ten Years Later
by Alexandre. Dumas
Le Vicomte de Bragelonne
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Queen's Necklace
by Alexandre. Dumas
Classic Comics
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
Twenty Years After
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
The Wolf-Leader
by Alexandre. Dumas, Alfred Allinson (Translator)
The Queen's Necklace
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Naunerle C. Farr (Editor), Frank Redondo (Illustrator)
Louise de la Valliere
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
Louise de la Vallière
by Alexandre. Dumas, David Coward (Editor)
Mes Memoires
by Alexandre. Dumas
The Romances of Alexandre Dumas
by Alexandre. Dumas
Das Halsband der Königin
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Jacqueline Rogers (Translator), Jack D. Zipes (Afterword by)
The Memoirs of a Physician
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
Comtesse de Charny
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, BookSource Staff (Compiled by)
Twenty Years After
by Alexandre. Dumas
The Whites and the Blues V2: the Romances of Alexandre Dumas
by Alexandre. Dumas
The Three Musketeers
by Jim Pipe (Adapted by), Penko Gelev (Illustrator), Alexandre. Dumas, Tom Pipe
The Man in the Iron Mask
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Count of Monte Cristo
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
Dominoes: the Count of Monte Cristo
by Clare West, Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Corsican Brothers
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
Stories from East High 8 Get Your Vote
by Alexandre. Dumas
Ali Pacha
by Alexandre. Dumas, I. G. Burnham (Translator)
The Man in the Iron Mask
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
Olympe de Cleves
by Alexandre. Dumas
The Journal of Madame Giovanni
by Alexandre. Dumas, Marguerite Wilbur (Translator)
The Son of Monte-Cristo
by Alexandre. Dumas
Mary Stuart
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
Olympe de Cleves
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, R. Hillerich (Introduction by)
El Conde de Montecristo
by Alexandre. Dumas
The Page of the Duke of Savoy
by Alexandre. Dumas
The Works of Alexandre Dumas - the Page of the Duke of Savoy
by Alexandre. Dumas
The Works of Alexandre Dumas
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Chevalier de Maison Rouge
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
Le Comte de Monte Cristo
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, Roowland Wheelwright (Illustrator)
The Three Musketeers
by Alexandre. Dumas, Janice L. Greene (Adapted by)
The Three Musketeers
by Alexandre. Dumas, Elaine Kirn (Adapted by)
Fernande
by Alexandre. Dumas
Celebrated Crimes
by Alexandre. Dumas
Olympe de Cleves
by Alexandre. Dumas
Celebrated Crimes
by Alexandre. Dumas, I. G. Burnham (Translator)
Causeries
by Alexandre. Dumas
Chicot the Jester
by Alexandre. Dumas
Mary Stuart
by Alexandre. Dumas
Los Tres Mosqueteros
by Alexandre. Dumas
Fernande
by Alexandre. Dumas
The Greatest Classic Love Stories Collection
by Johann Wolfgang Von Goethe, Jane Austen, Charlotte Brontë, Emily Brontë, Alexandre. Dumas, Gustave. Flaubert
Le Comte de Monte-Cristo
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, A. Dumas
The Forty-Five Guardsmen
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Edcon (Adapted by)
Joan of Naples
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas
The Son of Monte-Cristo
by Alexandre. Dumas
The Forty-Five Guardsmen
by Alexandre. Dumas, Paul Hardy (Illustrator)
Celebrated Crimes
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
La Dame de Monsoreau V1
by Alexandre. Dumas
Amaury
by Alexandre. Dumas, Alfred Allinson (Translator)
The Man in the Iron Mask
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
My Memoirs
by Alexandre. Dumas
Los Tres Mosqueteros
by Alexandre. Dumas
Mary Stuart (from Celebrated Crimes)
by Alexandre. Dumas
Celebrated Crimes
by Alexandre. Dumas
Mary Stuart
by Alexandre. Dumas
The Forty-Five Guardsmen
by Alexandre. Dumas
The Three Musketeers
by Michael Leitch (Retold by, Adapted by), Victor Ambrus (Illustrator), Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Elaine Kirn (Adapted by)
The Forty-Five Guardsmen
by Alexandre. Dumas
The Forty-Five Guardsmen
by Alexandre. Dumas
Le Chevalier de Maison Rouge
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, Raymond R. Canon (Introduction by)
Das Halsband der Königin
by Alexandre. Dumas
The Black Tulip
by Alexandre. Dumas
Celebrated Crimes
by Alexandre. Dumas, I. G. Burnham (Translator)
Los Tres Mosqueteros
by Alexandre. Dumas
Celebrated Crimes
by Alexandre. Dumas
Los Tres Mosqueteros
by Alexandre. Dumas
Bric-À-Brac
by Alexandre. Dumas
The Page of the Duke of Savoy
by Alexandre. Dumas
The Man in the Iron Mask
by Alexandre. Dumas, Pauline Francis (Retold by)
Ten Years Later
by Alexandre. Dumas
Le Chevalier de Maison Rouge
by Alexandre. Dumas
Twenty Years After
by Alexandre. Dumas
The Conspirators
by Alexandre. Dumas
Les Trois Mousquetaires
by Alexandre. Dumas
Los Tres Mosqueteros
by Alexandre. Dumas, Dumas Alejandro
The Three Musketeers
by Alexandre. Dumas
My Memoirs
by Alexandre. Dumas, E. M. Waller (Translator), Andrew Lang (Introduction by)
The Count of Monte Cristo
by Alexandre. Dumas
Los Tres Mosqueteros
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas, Malvina G. Vogel (Adapted by, Editor), Pablo Marcos Studio Staff (Illustrator)
The Three Musketeers
by Alexandre. Dumas, Pauline Francis (Retold by)
The Man in the Iron Mask
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas
The Three Musketeers
by Alexandre. Dumas