The Kam Wah Chung collection (1880s-1940s)Nearly 20,000 documents centering on Ing Hay, an immigrant traditional Chinese medical practitioner in John Day, Oregon from the 1880s to the 1940s. Of those, about 7,000 are written in traditional Cantonese Chinese. And of those, only a few hundred are translated to English. Comprising the document collection are personal and business letters, business records, accounts, Chinese and English books and newspapers, calendars, flyers, estate records, Chinese medical encyclopedias, medical books, secret society books, divination records and accounts, gambling records, receipts, Doc Hay’s medical formulas, patient records, cards and postcards, posters, checks, epigrams, prescriptions, and a variety of other miscellaneous items.