Columbia subject headings:
Hofmeister, Oskar, 1871-1937.
Hofmeister, Theodor, 1868-1943.
Lobovikov, Sergej, 1870-1941.
Photography, Artistic--Exhibitions.
Harvard subject headings:
Hofmeister, Oskar, 1871-1937--Exhibitions.
Hofmeister, Theodor, 1868-1943--Exhibitions.
Lobovikov, Sergej, 1870-1941--Exhibitions.
Photography, Artistic--Exhibitions
Princeton subject headings:
Hofmeister, Oskar, 1871-1937.
Hofmeister, Theodor, 1868-1943.
Lobovikov, Sergej, 1870-1941.
Photography, Artistic--Exhibitions.