REMOVE

1. albumen silver print
2. Photographs
3. Canadian
4. U.S.A.: Niagara Falls
5. Notman, William
6. National Gallery of Canada

WHAT

1. Photograph (1)
2. albumen silver print (1)

WHERE

1. U.S.A.: Niagara Falls (1)

WHO

1. National Gallery of Canad … (1)
2. Notman, William (1)

WHEN

1. 1869 (1)