Independent Online Booksellers Association  
   International association of independent booksellers, promoting high standards and buyer protection.
   http://www.ioba.org/

Swiss Association of Antiquarian Book Sellers  
   Association of Swiss antiquarian book and print dealers, with membership directory, catalogs and news.
   http://www.vebuku.ch/

Antiquarian Booksellers' Association of Canada  
   Includes alphabetical, subject and geographical directories of members with links to online dealers.
   http://www.abac.org/

Danish Antiquarian Booksellers Association  
   Den Danske Antikvarboghandlerforening; Directory of members with their specialities.
   http://www.antikvar.dk/

Antiquarian Booksellers Association of America  
   Organization of professional antiquarian booksellers.
   http://abaa.org/

Fearless Antiquarians  
   A directory of online antiquarian bookstores.
   http://www.fearlessbooks.com/Antiquarians.html

Dutch Antiquarians Booksellers' Association.  
   Nederlandsche Vereeniging van Antiquaren aims to promote reliability in the trade of old books and prints. Regulations, to give purchasers guarantees of quality, news and membership lists.
   http://212.204.245.245/

International League of Antiquarian Booksellers  
   Encompasses national associations of antiquarian booksellers. Twenty-one nations and two thousand booksellers in membership.
   http://www.ilab-lila.com/

Global Book Town  
   A directory of independent bookstores in Australia, Canada, United Kingdom and United States. Categorized by subject, name, or location.
   http://www.globalbooktown.com/

Antiquarian Booksellers Association  
   Trade association for UK dealers in antiquarian and rare books and related areas.
   http://www.aba.org.uk/

Georgia Antiquarian Booksellers Association  
   Directory of antiquarian booksellers in Georgia with an online database of rare books, fine prints, and collectables.
   http://www.gaba.net/

International Antiquarian Mapsellers Association  
   Trade association promoting the professional trade in antiquarian, collectible maps, atlases, charts and related books. Includes membership directroy, dealers' catalogs, and stolen map reports.
   http://www.antiquemapdealers.com/

Maine Antiquarian Booksellers Association  
   Group of about 80 members dealing in a range of used, rare and out-of-print books, maps, prints, autographs, bindings, photographs and ephemera. News, book fairs, members list, inventory search, and book theft news.
   http://www.mainebooksellers.org/

Vermont Antiquarian Booksellers Association  
   An organization of booksellers from the state of Vermont.
   http://members.valley.net/~vaba/

Antiqbook  
   The Netherlands Antiquarian Booksellers' Network provides a collection of online catalogues, searchable databases, mailing lists, and information for book collectors and sellers.
   http://www.antiqbook.com/

New Hampshire Antiquarian Booksellers Association  
   Unofficial home page. Member directory with hours, locations, stock, and links; location map, and contact information.
   http://www.nhaba.org/