Places
- Architecture, Postmodern1
- Arctic regions -- Description and travel1
- Arctic regions -- Discovery and exploration1
- Argentina2
- Argentina -- Economic policy1
- Argentina -- Politics and government -- 1943-1
- Arizona -- Buildings, structures, etc -- Pictorial works1
- Armenia2
- Armenia (Republic) -- History -- 1988-1
- Armenia -- History -- 1901-1
- Armenia -- History -- Revolution, 1917-19201
- Ashokan Reservoir (N.Y.)1
- Asia1
- Asia -- Description and travel4
- Asia -- History1
- Asia -- History -- 20th century1
- Asia -- History -- Study and teaching -- United States1
- Asia -- Study and teaching1
- Asia, Central5
- Atami-shi (Japan)1