• 701 Memorial Library
• 94 Verona Shelving Facility
• 78 AMP Library
• 35 Special Collections (Memorial Library)
• 23 College Library
• 18 Science Libraries Shelving Facility
• 9 Shared Print Repositories
• 4 Art Library (Kohler)
• 3 Ebling Library
• 3 Temporary Relocation Library
• 2 Steenbock Library
• 1 AOSS Library
• 1 MERIT Library
• 1 Wisconsin Historical Society Library

• 1,329 Books
• 116 Videos, Slides, Films
• 12 Microforms
• 7 Manuscripts, Theses
• 5 Journals, Magazines, Newspapers
• 1 Computer file
• 1 Sound Recordings

• 310 Science
• 214 Quantum theory
• 148 History
• 74 Cosmology
• 65 Methodology
• 59 Science, Ancient
• 57 Mathematics
• 52 Relativity (Physics)
• 50 Metaphysics
• 42 Space and time
• 38 Knowledge, Theory of
• 36 Reality
• 35 Physicists
• 29 Philosophy of nature
• 26 Religion and science
• 25 Einstein, Albert, 1879-1955
• 25 Experiments
• 25 Matter
• 24 Astronomy
• 24 Force and energy
• 24 Time
• 23 Newton, Isaac, 1642-1727
• 22 Social aspects

• 60 AAPT WM21 (2021)
• 18 Planck, Max, 1858-1947
• 16 Heisenberg, Werner, 1901-1976
• 15 AAPT SM20 (2020)
• 15 Eddington, Arthur Stanley, Sir, 1882-1944
• 14 Penrose, Roger
• 12 Duhem, Pierre Maurice Marie, 1861-1916
• 12 Espagnat, Bernard d'
• 11 AAPT SM21 (2021)
• 10 Capra, Fritjof
• 10 Digitalia (Firm)
• 10 Einstein, Albert, 1879-1955
• 10 Jeans, James, 1877-1946
• 10 Russell, Bertrand, 1872-1970
• 10 Weizsäcker, Carl Friedrich, Freiherr von, 1912-2007
• 9 Bohr, Niels, 1885-1962
• 9 Bridgman, P. W. (Percy Williams), 1882-1961
• 9 Popper, Karl R. (Karl Raimund), 1902-1994
• 8 Burtt, Edwin A. (Edwin Arthur), 1892-1989
• 8 Quantum 2020 (2020)
• 8 Reichenbach, Hans, 1891-1953
• 7 Broglie, Louis de, 1892-1987
• 7 Cushing, James T., 1937-
• 7 Davies, P. C. W
• 7 Margenau, Henry, 1901-1997

• 1,045 English
• 200 German
• 90 French
• 64 Russian
• 40 Latin
• 20 Italian
• 17 Spanish
• 6 Chinese
• 6 Danish
• 5 Arabic
• 4 Polish
• 3 Japanese
• 3 Swedish
• 3 Undetermined
• 2 Portuguese
• 2 Unknown
• 1 Bulgarian
• 1 Croatian
• 1 Dutch
• 1 Finnish
• 1 Greek, Ancient (to 1453)
• 1 Hebrew
• 1 Hindi
• 1 No linguistic content
• 1 Norwegian

• 5 Great Britain
• 4 England
• 3 France
• 3 Germany
• 3 India
• 3 Netherlands
• 3 United States
• 2 Austria
• 2 Germany (West)
• 2 Italy
• 2 Outer space
• 2 Soviet Union
• 1 Asie
• 1 Bolivia
• 1 Colombia
• 1 Czech Republic
• 1 Denmark
• 1 Europa
• 1 Finland
• 1 Frankreich
• 1 Geneva
• 1 Nederland
• 1 Poland
• 1 Prague
• 1 Russia

Limit year range