Includes correspondence (1922-1936) between Ewer and Cornell University Professor Edward L. Nichols, Tsutomu Tanaka, and others, concerning her work in preparing physics research for publication, together with pertinent charts, notes, and reports; letters from Ernest Merritt and D. T. Wilber, with whom she also worked, and from editors of scientific publications; correspondence (1925-1935) with Julia K. Sommer, who was associated with the Theosophical World-University, clergymen, and others, mainly concerning theosophy and the activities of the T.W.U.; related printed and mimeographed items, many undated; "Thinking About God" (178 page typescript carbon) and typewritten drafts and outlines on mystic symbolism by Ewer; and typewritten draft of "The Medieval Mass in the West" by H. Flanders Dunbar.