Berlin, Isaiah (1909-1997)(4)
Heisenberg, Werner (1901-1976)(3)
Adler, Mortimer Jerome (1902-2001)(2)
Bohr, Niels (1885-1962)(2)
Cairns, Huntington (1904-)(2)
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Conference on the Clarification of Educational Philosophy (1 : 1953 : Princeton, NJ) (1953-)(2)
Conference on the Clarification of Educational Philosophy (2 : 1953 : London) (1953-1953)(2)
Fund for the Advancement of Education(2)
Max-Planck-Institut für Physik (1946-1958)(2)
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Schweizerisches Literaturarchiv (SLA)(1)
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