32 works carry all of these threads.
Fred Miller, 1868 - 1936 · 1909
Fred Hartsook, 26 Oct 1876 - 30 Sep 1930 · c. 1915
Harris & Ewing Studio, active 1905 - 1977 · c. 1928
Robert E. Wescott, active 1890s - 1910s · c. 1910