REMOVE

1. Canadian
2. Notman, William

WHAT

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

WHERE

1. Canada: Quebec, Montreal … (1)
2. U.S.A.: Niagara Falls (1)

WHO

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

WHEN

1. 1869 (2)
2. 1881 (1)
3. c. 1869-1881 (1)