145 works carry all of these threads.
Carleton E. Watkins · 1866
Alexander Gardner · 1864
Mathew Brady Studio, active 1844 - 1894 · c. 1860-70
1830–50
Brady & Co. · June 1866
ca. 1800–1820
Benjamin Bakewell & Co. · 1810–25
1st century CE
4th–7th century
late 1st century BCE–early 1st century CE
1850–70
Christoph Murer · early 17th century
