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541 |
Impressive opinions by important persons about a significant book "Nationalism and culture" by Rudolf Rocker Los Angeles, Calif. : [s.n.], [1947]
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542 |
One world or none London : Latimer House, 1947, 1. impr.
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543 |
"The last hour before midnight" The Emergency Committee of Atomic Scientists. - Princeton, New Jersey : The Emergency Committee of Atomic Scientists, June 30, 1947
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544 |
The questing spirit New York, NY : Coward, McCann, c 1947
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545 |
Free world / Vol. 11, No. 3 (1946)
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546 |
Fritz von Unruh Kronacher, Alwin. - New York, NY : Schick, 1946
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547 |
Introduction to the theory of relativity Bergmann, Peter Gabriel. - New York : Prentice-Hall, 1946, 2. print.
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548 |
Masad ha-binyan Yerushalayim : ha-Lishkah ha-reshit shel Ḳeren ha-yesod, [1945/46?]
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549 |
Mi panorama mundial Einstein, Albert. - Buenos Aires : Santiago Rueda, 1946
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550 |
One world or none [New York : Whittlesey House, 1946
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