The Rhoda McCulloch Papers consist of 1.75 linear ft. and are primarily related to her professional and public life, dating from 1884 to 1978. Types of materials include correspondence, notes, speeches, photographs, press releases, reports, articles and other writings, and memorabilia.

The bulk of the papers date from 1915 to 1944 and focus on McCulloch's work for the National Conference on the Christian Way of Life/The Inquiry and the YWCA of the U.S.A. Major topics include the role of women and of religion in society, and the social justice activities of religious organizations and individuals in the 1910s through the 1940s.

McCulloch's output as a writer and editor comprises roughly half of the collection. Included are nearly complete files of publications and reports put out by the National Conference on the Christian Way of Life/The Inquiry. In addition to copies of pamphlets and books by McCulloch, her papers also include a nearly complete file of her articles and editorials for the YWCA of the U.S.A.'s monthly magazine, 1918-44.

Materials about Henrietta Roelofs consist primarily of her speeches and writings.