The Netherlands Antiquarian Booksellers' Network provides a collection of online catalogues, seachable databases, mailing lists, and information for book collectors and sellers.

A Brief History of the Library of Congress and a chronology of the collections with a selected bibliography on the library.

Site for collectors of antiquarian and rare books. Includes book auction listings and search of 80+ rare book auctions, articles on antique books and collecting, a subscription database bibliography of old and rare books.