WorldCat
on FirstSearch (campuswide)
at WorldCat.org (public, but incomplete)
The OCLC Union Catalog, containing millions of records for materials
in member libraries around the world. Updated daily.
OAIster
on FirstSearch (campuswide)
at OAIster.org (public)
A union catalog of digital resources in open archive collections. Resources include digitized books and articles, born-digital texts, audio files, images, movies, and datasets. Updated quarterly.
ArchiveGrid
Thousands of libraries, museums, and archives have contributed nearly a million collection descriptions to ArchiveGrid. Researchers searching ArchiveGrid can learn about the many items in each of these collections, contact archives to arrange a visit to examine materials, and order copies.
The combined circulating, reference, and research holdings of the New York Public Library. The Catalog unites the previously separate collections of The Branch Libraries, formerly found in LEO, and The Research Libraries, formerly found in CATNYP
Brooklyn Public Library
The Brooklyn Public Library is separate and independent from the public library systems in the other boroughs of New York City.
Queens Borough Public Library
The Queens Borough Public Library is an autonomous library system, separate from library systems in the other boroughs of New York City.
Bern Dibner Library (PolyCat)
PolyCat is the catalog for Bern Dibner Library of Polytechnic Institute of NYU.
Includes CLIO, the Columbia University Libraries main catalog (including the Avery Architectural Library); as well as catalogs for the Law School, Teachers College, and Union Theological Seminary libraries.
New York Academy of Medicine Library
One of the largest medical libraries in the United States. Open to the public.
The Library of Congress
From this page, you can access interfaces for simple and advanced keyword searching or phrase searching.
LibDex
A worldwide directory of library homepages, web-based OPACs, Friends of the Library pages, and library e-commerce affiliate links. Edited and compiled by Peter Scott.
Libweb: Library Servers via WWW
Contains links to libraries in over 70 countries. Part of the Berkeley Digital Library SunSITE project, sponsored by The Library, UC Berkeley and SUN Microsystems.