REMOVE

1. Photographs
2. National Gallery of Canada
3. 1840

WHAT

1. Photograph (1)
2. daguerreotype with applie … (1)
3. salted paper print (1)

WHERE

1. British (1)
2. North American; American (1)
3. U.K. (England): Wiltshire … (1)
4. U.S.A.: Massachusetts, Bo … (1)

WHO

1. National Gallery of Canad … (2)
2. Southworth, Albert Sands (1)
3. Talbot, William Henry Fox (1)

WHEN

1. 1844 (1)
2. 1860 (1)
3. c. 1840-1844 (1)
4. c. 1850 (1)