Professional Organizations

American Antiquarian Society

http://www.americanantiquarian.org

American Philatelic Society

http://www.stamps.org

American Printing History Association

http://www.printinghistory.org/

American Textile History Museum

http://www.athm.org

Antiquarian Booksellers' Association of America

http://www.abaa.org/

Association for Research Libraries
A book and Web site presenting illustrated and highly readable profiles of selected rare and special collections available for use in the major research libraries of North America

http://www.celebratingresearch.org/

Centre for Ephemera Studies, University of Reading, England

http://www.rdg.ac.uk/AcaDepts/lt/home.html

Ephemera Society of Austria

http://members.aon.at/ephemera/

Ephemera Society of the UK

http://www.ephemera-society.org.uk/

The Library Company of Philadelphia

http://www.librarycompany.org

Manuscript Society

http://www.manuscript.org/

Professional Autograph Dealers Association

http://www.padaweb.org/

Writing Equipment Society
 
http://www.wesonline.org.uk