Hatcher's papers are related solely to research and stem for the most part from the beginning of his career. His work with Otto Maass on the production of pure hydrogen peroxide (1918-1919) is documented by four volumes of laboratory records, a fifth containing abstracts of articles on hydrogen peroxide, and one giving a summary of data. Another notebook records observations on electrical measurements (1926).

Includes note-books of extensive medical and dental school notes of lectures and readings that Huber transcribed while attending the University of Pennsylvania ca. 1884-1888. Also included: receipts and billing slips, ca. 1892-1903 from Huber's practice; published items such as the catalogue to the University of Pennsylvania, ca. 1885-86; miscellaneous items, including a public address in Huber's handwriting.