CLIO (Columbia's Online Catalog)
Course Reserves
DataGate (Columbia's Numeric Data Catalog)
CU Spatial Data Catalog
Pegasus (Law)
Educat (Teachers College)
Aleph (Jewish Theological Seminary)
Archival Collections Portal
Center for Research Libraries -- find primary and rarely held resources
BorrowDirect
New York University
CATNYP (New York Public Library: Research)
LEO (New York Public Library: General)
City University of New York
Metropolitan Museum
MoMA: Museum of Modern Art
Arcade (a shared catalog of the Frick Art Reference Library and the libraries of the Brooklyn Museum and The Museum of Modern Art)