612 resultados para Public Problems
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Mode of access: Internet.
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Mode of access: Internet.
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"Sources of information": p. 6-7.
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Mode of access: Internet.
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Thesis (doctoral)--Georg-Augusts-Universitat, Gottingen.
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Subtitle varies
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None published, 1920-1926
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Includes bibliographical references and indexes.
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A development from the author's Flight school manual of the Naval air station at Pensacoln, Fla., written in 1926, later revised and published in 1928 under title: Practical flight tranining.
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Mode of access: Internet.