Herman Sommerfeld (right) in military uniform with an unidentified soldier Portraits Men

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Herman Sommerfeld with unidentifed men and women on board a ship from Tallin to Helsinki (and on to the United States) Portraits Groups

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Herman Sommerfeld (seated far left) with unidentified injured soldiers in a military hospital Portraits Groups

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Studio portrait of Herman Sommerfeld in military uniform Portraits Men

Handwritten on verso: Zur Erinnerung an meiner ? Zeit, Dein Hermann, Flughafen-Doberitz, Zum austuecken bereit

Herman Sommerfeld (fifth from right) with other soldier recruits; Döberitz, Germany Portraits Men

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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

Wedding portrait of Berta and Justin Landauer Portraits Couples

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Ella Hausman with two unidentified children on a beach; V-J Day Portraits Groups

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Studio portrait of Max Osterberg; Stuttgart Portraits Men

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Reproduction of World War I portrait of Dr. Nathan Wolf of the 2nd Company of the 1st Landsturm Infantry Regiment Portraits Men

Dr. Nathan Wolf's medals: (bottom left) silver Wound Badge; Iron Cross 2nd Class; Iron Cross 1st Class; Zaehringer Loewe (Baden); (on right) Medal of the Turkish Crescent

Martin Buber with Naemah Beer-Hofmann Portraits Groups

Handwritten on verso: Prof. Martin Buber mit Naemah Beer-Hofmann in meinem Zimmer, Kurhaus Sonn-Matt bei Luzern. September 1963 fuer meine leibe Lily an einem schweren Tag, der durch sie viel leichter wurde.