This is a collection of Cope's articles, papers, notes, lectures, notebooks, and some correspondence. There is much on his research pertaining to Charles Mason and Jeremiah Dixon, and other topics in the history of science on which he wrote. The collection includes lecture notes and three bound notebook volumes on mechanics from his study at the University of Berlin under Max Planck from 1912 to 1913. There are 11 additional bound volumes, all relating to physics, including: Minutes of meetings of the Department of Physics, University of Pennsylvania (1910-1919), two volumes on the history of physics, and a volume of data on the radiometer as a measurer of electric current. The collection also contains notes on electric circuit theory lectures (1924-1925) by J.R. Carson, notes on lectures on relativity (1921) by Albert Einstein, lectures by W.F.G. Swann (1928), and information about the Pennsylvania Academy of Science, and on radiation (1909). There is significant correspondence from Lionel G. Dixon and Victor Englehardt.

THIS COLLECTION IS CURRENTLY BEING PROCESSED. THE INVENTORY OF CONTENTS IS IN PROCESS, AS IS THE ORGANIZATION OF THE COLLECTION. There are notes, transcriptions, essays, etc., on the language and customs of several Indian tribes. There are numerous vocabularies, dictionaries, and grammatical notes on the Ho-Chunk, Patwin, and Huave tribes, and some items on the Fox, Tukudh, Pomo, Wappo, and Wintu; 79 notebooks, in English and Ho-Chunk, on myths, legends, stories, customs, dances, religious observances, costume, etc., of the Ho-Chunk, with some on the Ottawa and Ojibwa; notes on Ho-Chunk history; 2 boxes of Ho-Chunk phonetic texts; and significant material on Mexican Indians (Zapotec). Some of the items are typed copies of Radin's published studies.