Online Resources in the History of the Book

Alciato, Andrea Emblematum liber, 1621
http://www.mun.ca/alciato/

Antiquarian Booksellers Association of America
http://abaa.org/

Attributions of Authorship in the Gentleman's Magazine
http://extext.lib.virginia.edu/bsuva/gm/

Bibliographical Society of the University of Virginia
http://extext.lib.virginia.edu/bsuva/

The Bibliographical Society (London, England)
http://www.bibsoc.org.uk/index.html

Bodleian Library
http://www.bodley.ox.ac.uk/

Book History Resources
http://www.let.leidenuniv.nl/English/B&P/biblbookm.html

British Library Catalog
http://blpc.bl.uk/

Eighteenth-Century Resources - Professional Resources
http://andromeda.rutgers.edu/~jlynch/18th/pro.html

International League of Antiquarian Books
http://www.ilab-lila.com/

Library of Congress
http://lcweb.loc.gov/z3950/gateway.html

Rare Book School (University of Virginia)
http://www.virginia.edu/oldbooks/

Society for the History of Authorship, Reading, & Publishing
http://www.sharpweb.org/