REMOVE

1. salted paper print
2. British
3. National Gallery of Canada
4. 1855

WHAT

1. Photograph (2)
2. Photographs (2)
3. salted paper print (2)

WHERE

1. U.K. (1)
2. U.K. (Wales): Penllergare (1)

WHO

1. National Gallery of Canad … (2)
2. Horne, Fallon (1)
3. Llewelyn, John Dillwyn (1)

WHEN

1. 1850 (1)
2. July 1855 (1)
3. before 1855 (1)
4. birthdate unknown, died 1 … (1)