Open Directory - Reference: Libraries
Webmaster Reference Library
Chat reference libraries - LISWiki
REFERENCE LIBRARY
Reference Tools - Internet Public Library
Libraries – Government and Public: USA.gov
Refdesk.com
C++ Reference
E-Reference Libraries for Microsoft Press
Python Library Reference
Frick Art Reference Library
Reference libraries
Library Spot
Reference Libraries
James J. Hill Reference Library
Graphics - REFERENCE LIBRARY
Microsoft Learning Solutions: Microsoft E-Reference Libraries
Online Reference - Library Success: A Best Practices Wiki
MindLeaders Reference Library - Small Business Training
Open Directory - Reference: Libraries: Research
UCSD Libraries: Reference Shelf
Biblesoft.com - Libraries
A Legislator's Guide To LRB : Library
Reference Library
Virtual Reference Shelf - Selected Web Resources (Library of Congress)
Open Directory - Reference: Maps: Libraries
efg's Delphi Reference Library