The Ija Adler Papers consists of correspondence, 1932-1967, and associated manuscripts and miscellany.

Series 1, Adler correspondence and that of bookmen Isaac Levine and Leroy Goble, 1919-1967, 57 items.

Series 2, Correspondence and autographs associated with Adler's interests, including the following subseries: 2/1, autographs and letters of Charles Dexter Allen, Arnold Bennett, Calvin Coolidge, Mary Mapes Dodge, Louise Imogene Guiney, Ella Higginson, E.A. Robinson, others, 46 items; 2/2, correspondence, 1919-1925, among Oscar and Gene Derwood Williams, Rhythmus editors and associates Jack Brady, Gustav Davidson, J.Nolan Vincent of the journal Parnassus, and contributors, including Hilda Aldington, Harold Monro, Babette Deutsch, Witter Bynner, Richard Aldington, Faith Baldwin, Maxwell Bodenheim, Louise Bogan, others, 44 items; 2/3, correspondence concerning Robert Nathan books, 9 items; 2/4, correspondence, other material relating to bookplate exchanges, largely directed to W.E. Daignault, Chicago, 1947 to 1951, 191 items.

Series 3, Literary manuscripts, including one or more items by Mary Mapes Dodge, Eugene Field, Hugh Fisher, James J. Hissey, Isaac Myer, 17 items; 3/1, items either written by or translated by Walter W. Schmauch, 11 items.

Series 4, editorial matter, including proofs of work by Henry Miller and Mary Britton Miller (pseud. Isabel Bolton), 3 items. Series 5, Notebooks, miscellaneous manuscripts, including four personal notebooks of Ija Adler, a commonplace book, 1860, compiler unknown, catalog of books of Alfred J. Cox, manuscript notebook of James Stephens containing an essay published in Irish Statesman as Literature and life: An interview with James Stephens by James Esse, Theatrum poetarum, unidentified compiler, with manuscript pages laid in, a group of sermons by M. l'abbé Bouguillon, Sainte-Roch, c. 1811-1834, in French, a Spanish manuscript dated 1653, 96 items.

Series 6, Miscellany, including photographs of Norman Douglas and family, photographs of George W. Lee, Isabella Gardner and Rex Stout, reviews of The mint [journal] by T.E. Lawrence, clippings, 39 items.