Ca. 21.000 works, 15th-20th century.
The Mr. H. Bos library contains books and pamphlets that have a bearing on the Dutch Reformation and history of law, from the 15th-20th century, including much 16th century printed matter.
This library also contains approx. 200 maps published between the beginning of the 16th century and 1940, with the emphasis on the 17th and 18th centuries. In addition, cartographic literature and atlases (approx. 50). Noteworthy is the 17th century celestial globe made by Willem Jansz Blaeu.

Secondary literature
J. Stellingwerff, De Mr. H. Bos-bibliotheek van de Vrije Universiteit
Aanwinsten uit de Mr. H. Bos-bibliotheek
M.H.G. Clement-van Alkemade, ‘Bijzondere kaarten in de verzameling’. In: Een vrije universiteitsbibliotheek
W. Heijting, Mensen, ideeën en boeken

Hendrikus Bos Prenten
Twee prenten uit de bibliotheek van H. Bos Kzn.