Airship (Zeppelin) flying over Kleve, Germany, 1930s

Airship (Zeppelin) flying over Kleve, Germany, 1930s

Photographer unknown.

Segovia, Spain, 1920s

Segovia, Spain, 1920s

Photographer: Otto Wunderlich, Madrid, Spain

Bedrechen, Egypt, ca 1890 (handcolored albumen photograph)

Bedrechen, Egypt, ca 1890

(handcolored albumen photograph)

Photographer: Bonfils

Amsterdam, 1915 (Oudekerksplein)

Amsterdam, 1915 (Oudekerksplein)

Photographer: Bernard Eilers

Portrait of Clarence H White (ca 1900) (photogravure)

Portrait of Clarence H White (ca 1900)

(photogravure)

Photographer: Eduard J Steichen, USA