Correspondence, subject files, literary manuscripts, drafts of articles, books, poems, and other writings, clippings and tear-sheets, printed material, photographs, scrapbooks, and memorabilia relating primarily to Flanner's career as a writer, especially for The New Yorker, and to Solano's interests and writings. Much of the material relates to the literary and intellectual life of Paris and New York during the first half of the 20th century and includes writings, correspondence, subject matter, and photographs of and relating to many prominent individuals from this period.

Persons represented include Berenice Abbott, Margaret Anderson, Aragon, Geraldine Balayé, Djuna Barnes, Sybille Bedford, Kay Boyle, Henri Cartier-Bresson, Dorothy Caruso, Elizabeth Jenks Clark, Colette, Nancy Cunard, Isak Dinesen (Karen Blixen), Daphne Vivian Fielding, Georges Ivanovitch Gurdjieff, Ernest Hemingway, Kathryn Cavarly Hulme, Georgette Leblanc, André Malraux, Pierre de Massot, George Moore, Marianne Moore, Raymond Mortimer, Noel Haskins Murphy, Olga Petrova, Ezra Pound, Man Ray, Harold Wallace Ross, Carl Sandburg, William Shawn, Dame Edith Sitwell, Gertrude Stein, Monica Stirling, Alice B. Toklas, Carl Van Vechten, E. B. White, Thornton Wilder, William Carlos Williams, and Alexander Woollcott.