Booksellers and Booksites
Antiquarian Booksellers
The search engine Used.AddAll covers a large number of antiquarian booksites, among which Antiqbook and ILAB. More than fifty million titles are searched.
Other antiquarian sites
MareLibri (20 Million titles)
Bookfinder
Bibliofind
Periodicals (back issues)
Dutch booksellers specialised in art
Aleph, Utrecht
Interbook, Schiedam
Dissertation reprints
UMI Dissertation Services