Book trade catalog

Book trade catalogs for books and antiquarian stocks are now usually database-supported and accessible on the Internet. They also include the catalogs of pure internet bookstores .

Important book trade catalogs are the directory of deliverable books (VLB), the Koch, Neff and Volckmar (KNV) and the Libri . There are also internet bookstores and platforms for various retailers such as AbeBooks , Amazon and the Central Directory of Antiquarian Books (ZVAB).