APIS: Advanced Papyrological Information System
APIS is a component of the larger Papyrological Navigator database, a worldwide aggregation of digital images, metadata, translations and transcriptions of papyri and ostraca (clay tablets). A listing of Columbia's ca. 5,800 papyri and ostraca can be viewed here
Columbia Historical Corporate Reports: Digitized Reports from Watson Library's Collection
Selected from the collections of Columbia's Watson Library of Business & Economics, this collection presents ca. 770 digitized reports issued between 1850-1960 by some 36 companies, including department stores, utilities, banks, and railroads.