Delaware Libraries

• College & Research Libraries in Delaware Directory (updated!)
• Delaware Division of Libraries
• Public Libraries By Name | By Place   
• School Libraries

Delaware Library Catalog

• Delaware Library Catalog – public libraries of all three counties, and Del Tech, Wesley College, Wilmington University, Delaware Public Archives, and more.

Other Libraries

• Federal Depository Library Program (FDLP)  |  Catalog of Government Publications (CGP)
• Internet Public Library (IPL)
• Library of Congress  |  Library catalogs
• New York Public Library
• Smithsonian Institution Libraries
• University of Maryland at College Park
• University of Pennsylvania

Local Associations

• ACRL-DVC (Delaware Valley Chapter of the Association of College and Research Libraries)
• College & Research Libraries in Delaware Directory
• Maryland Library Association
• MAC: Mid-Atlantic Chapter of MLA (Medical Libraries Association)
• New Jersey Library Association
• Lyrasis
• Pennsylvania Library Association
• Tri-State College Library Cooperative

National Associations

• American Library Association
• Association for Library Service to Children (ALSC)
• American Association of Law Libraries
• American Association of School Librarians
• Association of College & Research Libraries
• Association of Research Libraries
• ASCLA (Association of Specialized and Cooperative Library Agencies)
• Center for Research Libraries (CRL)
• CIRLA (Chesapeake Information and Research Library Alliance)
• Coalition for Networked Information (CNI)
• EDUCAUSE
• Federal Depository Library Program (FDLP)  |  GPO Access
• FOLUSA (Friends of Libraries U.S.A.)
• Institute of Museum and Library Services (IMLS)
• Medical Libraries Association
• Office for Intellectual Freedom
• Public Library Association
• Reference and User Services Association (RUSA)
• Society of American Archivists
• Special Libraries Association
• Young Adult Library Services Association (YALSA)

State Associations