In her lifetime Kay Boyle published more than 40 books, including 14 novels, eight volumes of poetry, 11 collections of short fiction, three children's books, and French to English translations and essays. Most of her papers and manuscripts are in the Morris Library at Southern Illinois University in Carbondale, Illinois. Morris Library has the Ruby Cohn Collection of Kay Boyle Letters and the Alice L. Kahler Collection of Kay Boyle Letters.[11] A comprehensive assessment of Boyle's life and work was published in 1986 titled Kay Boyle, Artist and Activist by Sandra Whipple Spanier. In 1994 Joan Mellen published a voluminous biography of Kay Boyle, Kay Boyle: Author of Herself.[12]
A member of the American Academy of Arts and Letters, in addition to her two O. Henry Awards, she received two Guggenheim Fellowships and in 1980 received the National Endowment for the Arts fellowship for "extraordinary contribution to American literature over a lifetime of creative work".[13]