The catalogue contains libraries on various subjects:
The Arts, Photography, Dutch and Foreign Literatures, Private Presses, Music, Egyptology, Chess, Manuscripts, Prints and Drawings, (Post)Incunabula, Old and Rare Books.

This catalogue contains collector's libraries on various subjects: The Arts, History of the Book, Dutch & Foreign Literatures, Illustrated & Children's Books, Clocks & Watches, Manuscripts, Private Presses, Emblem & Fable Books, Old & Rare Books.

This catalogue contains i.a. books from the libraries of Prof. Dr. Jan Willem Salomonson (Archaeology), Prof. Dr. Klaas Worp (Papyrology) & Rijk Smitskamp's Private Library (i.a. Middle East, Typography, Neo-Latin), as well as a large collection of books on Chess, The Far East, Classical Literature, etc.

This catalogue contains i.a. books from the libraries of Prof. Dr. J. Peter Gumbert (Palaeograpgy & Codicology), and Prof. Dr. A.M. van Erp Taalman Kip (Classical Antiquity)