Online Library Catalogs
Local libraries, colleges and universities- Bolivar-Harpers Ferry Public Library
- Frederick Community College
- USMAI Catalog - Frostburg State University
- George Mason University
- Georgetown University
- Hagerstown Community College
- Handley Regional Library
- Harpers Ferry Center Library - National Park Service (NPS) Combined Library Catalog
- Hood College (HOLIS)
- Leetown Science Center - USGS
- Library of Congress
- Lord Fairfax Community College College
- Martinsburg - Berkeley County Public Library
- Mount St. Mary's College
- National Library of Medicine
- Old Charles Town Library
- Carnegie Library of Pittsburgh
- Sailor - Maryland's Online Public Information Network
- Shenandoah University
- Shepherdstown Public Library
- South Jefferson Public Library
- University of Maryland
- Virtual Library of Virginia
- Washington County (MD) Free Library
- Washington Research Library Consortium (ALADIN)
- West Virginia Division of Culture and History
- West Virginia Library Commission
- West Virginia University (MountainLynx)
- Lib-web-cats (Marshall Breeding list)
- LibDex (Peter Scott list)
- Libweb - Library Servers via WWW
- Library lists from Yahoo