Nevertheless, using Bibliofind directly is absolutely worthwhile because of its book registration service. Fragmenta Selecta regularly publishes catalogues on Classics and the Middles Ages which are sent as booklet or e-mail and which can be checked at their homepages. Prices are quite okay. The most important German bookseller on Classics. Habelt sends catalogues in printed form or as e-mail and has them on his site.
Prices are normally quite okay. .
Catalogues by e-mail or on their homepage. Paperbacks are often extremly cheap. You can check their stock on their homepage or at Bibliofind. Prices are appropriate. Catalogues are sent by post, but you can check their stock at ABEBooks.