Portrait of Herman Sommerfeld (right) with two unidentified pilots of the naval air force; Adlershof bei Berlin Portraits Men

Caption reads: Werftbild Abtl Flugzeugmeisterei Adlershof bei Berlin 1917

Leopold Landsberger with other unidentified soldiers standing inside and around a hot air balloon at Verdun, France.

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Bianca and Felix Gerstmann boarding a Royal Air Mail airplane; Singapore Portraits Couples

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Bianca and Felix Gerstmann boarding a Royal Air Mail airplane; Singapore Portraits Couples

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Royal Air Mail plane in Singapore Transportation

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Royal Air Mail plane in Singapore Transportation

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Letter from Simon Nathan to Mr. Harris, asking him to act temporarily as shochet

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Letter of I. M. Gomez declining to act as arbitrator

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Letter from B. S. Judah, declining to act as hatan bereshit

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Rhode Island Act of Disability [copy]

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