American Opera Society ended in 1970.
An American Opera was created in 2007.
Glasgow Grand Opera Society was created in 1906.
American Opera Company was created in 1937.
American Light Opera Company was created in 1960.
American Colonization Society was created in 1816.
American Ethnological Society was created in 1842.
American Bison Society was created in 2005.
American Acclimatization Society was created in 1871.
American Philosophical Society was created in 1743.
American Constitution Society was created in 2001.
American Horticultural Society was created in 1922.