The FZH reference library is open to researchers, students, and members of the public. It currently holds around 100,000 books and subscribes to some 60 current periodicals. The entire collection can be browsed online via the Campus Catalogue and the KatalogPlus of the University of Hamburg. The primary thematic focus of the FZH library is on contemporary history, especially the history of National Socialism and the labour movement in the context of Hamburg and Northern Germany.
The following subject areas are especially prominent: