The Charlotte D'Evelyn Papers consist of correspondence, writings, biographical information, dies of bookplates and coat of arms, photographs and lantern slides. The materials document her experiences as a graduate student at the University of Oxford in England at the time of the World War I, her career as an English professor at Mount Holyoke College and her passion for medieval languages and literature. The correspondence mainly consists of letters written to her family during her trip to and while in England for her graduate studies, 1915-1916. Of note are letters describing sightseeing, her social and academic life at Oxford and aspects of her wartime experience in England in such as air raids, bombing campaigns, blackouts, and public involvement and reaction to the war. The writings include a variety of unpublished personal essays written in England with topics such as "Fairies", "Amateurs in Art" and "Oxford Sketches". Other writings consist of publications and manuscript editions of articles and books on subjects pertaining to medieval language and literature. Biographical information includes biographical notes, copies of newspaper clippings, tributes and obituaries. Also included are memoirs of her mother, Susan Taylor D'Evelyn and writing on the Baha'i faith. Photographs include a formal portrait of D'Evelyn and photographs showing her with students and colleagues. The lantern slides used by D'Evelyn in her classes at Mount Holyoke College pertain to English architecture, landscape and Shakespearian memorabilia.

Arranged in 6 series: Series 1. Correspondence. Series 2. Writings. Series 3. Biographical Information. Series 4. Die of Bookplate and Coat of Arms. Series 5. Photographs. Series 6. Lantern slides.