• 462 Memorial Library
• 22 Verona Shelving Facility
• 11 Special Collections (Memorial Library)
• 8 College Library
• 7 Temporary Relocation Library
• 5 Steenbock Library
• 3 Law Library
• 3 Shared Print Repositories
• 1 Art Library (Kohler)
• 1 Middleton Shelving Facility
• 1 Music Library (Mills)

• 642 Books
• 10 Microforms
• 6 Journals, Magazines, Newspapers
• 3 Videos, Slides, Films
• 2 Manuscripts, Theses

• 89 History
• 61 Philosophy
• 48 Metaphysics
• 30 Descartes, René, 1596-1650
• 25 Logic
• 25 Philosophers
• 24 Philosophy, Modern
• 23 Spinoza, Benedictus de, 1632-1677
• 22 Kant, Immanuel, 1724-1804
• 18 Science
• 17 Correspondence
• 17 Mathematics
• 16 Influence
• 16 Newton, Isaac, 1642-1727
• 16 Theodicy
• 15 Knowledge, Theory of
• 13 Monadology
• 13 Philosophy, German
• 13 Wolff, Christian, Freiherr von, 1679-1754
• 12 Free will and determinism
• 12 Intellectual life
• 11 Criticism and interpretation
• 11 God
• 11 Mathematicians

• 53 Leibniz, Gottfried Wilhelm, Freiherr von, 1646-1716
• 14 Heinekamp, Albert
• 9 Gottfried-Wilhelm-Leibniz-Gesellschaft
• 9 Li, Wenchao, 1957-
• 8 Rescher, Nicholas
• 8 Russell, Bertrand, 1872-1970
• 8 Wolff, Christian, Freiherr von, 1679-1754
• 7 Antognazza, Maria Rosa, 1964-
• 7 Woolhouse, R. S
• 6 Holz, Hans Heinz
• 5 Guhrauer, G. E. (Gottschalk Eduard), 1809-1854
• 5 Jolley, Nicholas
• 5 Niedersächsische Landesbibliothek
• 5 Poser, Hans
• 5 Rateau, Paul
• 5 Robinet, André
• 4 Belaval, Yvon, 1908-1988
• 4 Brown, Stuart C., 1938-
• 4 Centre national de la recherche scientifique (France)
• 4 Dascal, Marcelo
• 4 Grua, Gaston, 1903-1955
• 4 Hofmann, Joseph Ehrenfried, 1900-1973
• 4 Jalabert, Jacques
• 4 Lodge, Paul, 1968-
• 4 Ludovici, Carl Günther, 1707-1778

• 308 English
• 255 German
• 125 French
• 29 Latin
• 23 Italian
• 8 Spanish
• 5 Russian
• 2 Dutch
• 2 Polish
• 1 Chinese
• 1 Danish
• 1 Hebrew
• 1 Hungarian
• 1 Multiple languages
• 1 Romanian
• 1 Undetermined
• 1 Unknown

• 37 Germany
• 7 Europe
• 5 China
• 4 France
• 2 Italy
• 2 Lauenburg (Duchy)
• 2 Russia
• 1 Braunschweig (Germany : State)
• 1 England
• 1 Great Britain
• 1 Hannover
• 1 Hannover (Germany : Province)
• 1 Hannover (Germany)
• 1 Leipzig (Germany)
• 1 Lower Saxony (Germany)
• 1 Paris
• 1 Spain

• 38 Congresses
• 16 Biography
• 16 Correspondence
• 14 Early works to 1800
• 9 Bibliography
• 4 Catalogs
• 4 Fiction
• 4 Periodicals
• 3 Biographies
• 2 Academic theses
• 2 Concordances
• 2 Documentary films
• 2 Educational films
• 2 Historical fiction
• 2 Notebooks, sketchbooks, etc
• 2 Novels
• 1 Academic Dissertation
• 1 Biographical comics
• 1 Biographical fiction
• 1 Business correspondence
• 1 Comics (Graphic works)
• 1 Conference papers and proceedings
• 1 Dictionaries
• 1 Drama
• 1 Early

Limit year range