American architectural firm, active ca. 1917-1937
American architectural firm and engineering firm, active ca. 1945-ca. 1950
American architectural firm, 1957-1981
American architectural firm and engineering firm, established 1940, dissolved 1980
architectural firm, active in United States in 1955
American architectural partnership, formed 1948
American architectural firm, 1883-1924
American architectural firm, established 1873, dissolved 1891
American architectural firm, active 1891-1912
American architectural firm, founded 1966
American architectural firm, established ca. 1928
American architectural firm, active 1922-1925
Architectural firm, active in United States in 1968
American architectural firm, established 1939
Studio of Chicago-based photographer Mary Bartlett
American slide vendor, ca. early 20th century
American slide vendor, ca. early 20th century
American slide vendor, ca. early 20th century
American lantern slide and equipment manufacturer
