- Düsseldorfer Malerschule (DFG) (Düsseldorf school of painters)
- Düsseldorfer Theaterzettel (DFG) (Düsseldorf Playbills)
- Vester Collection (DFG)
- VD18 (DFG)
- Atlases, Maps, Typographies
- Benzenberg Library, Library of the Dusseldorf observatory Sternwarte
- Bibliothek des Historischen Museums (Library of the Historical Museum)
- Cincinnius' Library
- Letters of Darwin
- Dusseldorf adress books
- Düsseldorfer Drucke (Düsseldorf prints)
- Flug- und Zeitungsblätter
- Erwin Quedenfeldt: Einzelbilder vom Niederrhein
- Genealogische und heraldische Bestände (genealogical and heraldic stock)
- Graphiksammlung "Mensch und Tod" (Danse Macabre Collection)
- Heinrich Heine
- Hermens' Library
- Historical Literature on Garden Art
- Historical Newspapers
- Incunabula
- Cookbooks
- The Crosiers' library in Düsseldorf
- Medieval Manuscripts
- Lambert Krahe Library
- Longolius' Library
- Fashion Journals
- Parliamentary Material
- Registers of Persons and Course Catalogues of HHU
- Posters
- Erwin Quedenfeldt: Einzelbilder vom Niederrhein
- Rhenish regional bibliographies
- Publications of the ULB Düsseldorf
- School programms
- Scotti, J. J.: Provinzial-Gesetze (provincial laws)
- University archive of the Heinrich-Heine-University Düsseldorf