The collection consists of 36 bound volumes, including several monographs. It contains both the published and unpublished works of W. C. Eells as reprints, that has been arranged and bound in chronological order. Also contained are clippings referring to W. C. Eells, several scrapbooks and playscripts he created during his time as a student at Whitman College, correspondence, and a student publication titled The Co-op. The collection was bound prior to August 2004.

Items of special interest in the collection include: the correspondence of the American Association of Research Colleges from 1942-1945 (v. 14); correspondence, photographs and survey results created during the formation the Evaluation of Secondary Schools by the Cooperative Study of Secondary School Standards (v. 16-18); the personal journal and photographs of W. C. Eells (v. 13); and Eells' Scrapbook and correspondence documenting his work in post-war Japan (v. 20)