REMOVE

1. gelatin silver print
2. National Gallery of Canada
3. 1950

WHAT

1. Photographs (2)
2. gelatin silver print (2)
3. Photograph (1)

WHERE

1. Canada: Nova Scotia (1)
2. Czechoslovakia: Prague (1)
3. Czechoslovakian (1)
4. North American; Canadian (1)

WHO

1. National Gallery of Canad … (2)
2. MacAskill, Wallace R. (1)
3. Sudek, Josef (1)

WHEN

1. 1915 (1)
2. c. 1915-1950 (1)