Bibliographical Society - Founded in 1892, this is the senior learned society dealing with the study of the book and its history. - http://www.bibsoc.org.uk/
Center for the Book - A Library of Congress affiliate featuring, state center affiliates, community of the book organizations, reading promotion partners, book fairs and other literary events. - http://lcweb.loc.gov/loc/cfbook/
Ex Libris - Provides history and information about Czech bookplates. Offers biographies of noted artists, resources and a membership application form. [English, Czech and German] - http://www.exlibrisweb.cz/
The Philobiblon Club - Philadelphia's club for book collectors, booksellers, and anyone interested in books. Includes club history and membership information. - http://www.philobiblonclub.org/
Bibliographical Society of Virginia - Founded in order to promote interest in books and manuscripts, maps, printing, the graphic arts, and bibliography and textual criticism. - http://etext.lib.virginia.edu/bsuva/
Oxford Bibliographical Society - Founded in 1922. Membership of the Society is available, on application, to all those interested in manuscripts, printed books and the arts and trades connected with them. - http://www.oxbibsoc.org.uk/
The Fellowship of American Bibliophilic Societies - Organization keeping its member clubs informed of news, events, publications, and activities related to books and book collecting. - http://www.fabsbooks.org/
Bibliographical Society of Canada - Aims to promote bibliographical publications and the preservation and extension of knowledge of printed works and manuscripts, particularly those relating to Canada. - http://www.library.utoronto.ca/bsc/