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Author/Creator
- United States. Bureau of the Census8
- Stankus, Tony6
- Akademii︠a︡ nauk SSSR. Biblioteka5
- Library of Congress. Science and Technology Division5
- Muller, Robert H.5
- United States5
- Center for Research Libraries (U.S.)4
- National Library of Medicine (U.S.)4
- Royal Society (Great Britain)4
- Spahn, Theodore Jurgen, 1931-4
- Sparn, Enrique4
- Unesco4
- University of Michigan. Library4
- Air University (U.S.). Library3
- American Chemical Society. Chemical Abstracts Service3
- Biblioteca nazionale centrale di Firenze3
- Bolton, Henry Carrington, 1843-19033
- Gakujutsu Jōhō Sentā (Japan)3
- Gosudarstvennai︠a︡ publichnai︠a︡ biblioteka imeni M.E. Saltykova-Shchedrina3
- Indian National Scientific Documentation Centre3