APIS: Advanced Papyrological Information System
APIS is a collaborative online catalog and library of digitized images of papyri and ostraca (potsherds with incriptions) dating from the period 400 BCE to 800 CE.

Historical Corporate Reports
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.

The Biggert Collection of Architectural Vignettes on Commercial Stationery
Contains over 1,300 items of printed ephemera with architectural imagery from 1850-1920, spanning more than 350 cities and towns in forty-five states.

John Jay Papers
An online index and text database of correspondence, memos, diaries, etc. written by or to the American statesman John Jay (1745-1829).

Bunraku Collection Gallery
A sampler from the Barbara C. Adachi Collection of photographs of live bunraku theater performances from the second half of the 20th century.

Lehman Papers: Special Correspondence Series
A searchable database of selected correspondence to and from New York Governor and U.S. Senator Herbert H. Lehman (1878-1963).

Chinese Paper Gods
An online visual catalog of over 200 woodcuts used in folk religious practices in Beijing and other parts of China in the 1930s.

Joseph Urban Stage Design Models and Documents
A virtual collection of high-quality digital images of set models, drawings, documents and more for over 260 New York theater and opera productions.

Columbia Library Columns
A digitized collection of the journal published by Columbia University Libraries from 1951 to 1996, comprising over 6,900 pages in 46 volumes (135 issues).

Ling long Women's Magazine
A digital version of Ling long Women's Magazine, originally published in Shanghai from 1931 to 1937 and of significant scholarly research value in several disciplines.

Digital Scriptorium
The Digital Scriptorium makes available cataloging and selected digital images from medieval and early Renaissance manuscript collections housed in U.S. collections.

New York Real Estate Brochure Collection
A searchable database of thousands of advertising brochures, floor plans, price lists, and more from residential and commercial real estate development in New York City and vicinities from the 1920s to the 1970s.

Digital South Asia Library
A broad array of digital resources for scholarship on South Asia.

Notable New Yorkers
Original audio recordings and edited transcripts of oral history interviews with ten influential New Yorkers drawn from the collection of the Columbia Libraries' Columbia Center for Oral History.

E-Book Digitization Program
Columbia University Libraries has launched a program of selective digitization of pre-1923 books and other items from our collections.

The Tibet Mirror
An online collection of the Tibet Mirror (Tib. Yul phyogs so so'i gsar 'gyur me long), published in Kalimpong, India from 1925 to 1963. Seventy percent of the full run is now available thanks to the generous cooperation of Yale University, Collège de France, and the Musée Guimet.

Greene & Greene Architectural Records
An online collection guide and image database of architectural designs and drawings by Charles Sumner Greene and Henry Mather Greene, architects of the American Arts and Crafts Movement.