New York ? Tracy Letts has won the Pulitzer Prize for drama for his brutal yet darkly comic play, “August: Osage County” and Bob Dylan has been awarded a special music citation.

Junot Diaz won the prize for fiction Monday for “The Brief Wondrous Life of Oscar Wao.”

Daniel Walker Howe won for history for “What Hath God Wrought: the Transformation of America, 1815-1848.”

John Matteson won for biography for “Eden’s Outcasts: The Story of Louisa May Alcott and Her Father.”

Saul Friedlander won the general nonfiction award for “The Years of Extermination: Nazi Germany and the Jews, 1939-1945.”

Two prizes were awarded for poetry: Robert Hass for “Time and Materials” and Philip Schultz for “Failure.”

David Lang won the music award for “The Little Match Girl Passion,” which premiered Oct. 25, 2007, at Carnegie Hall in New York.

Dylan’s citation noted his “profound impact on popular music and American culture.”