8 Astronomy
52 Asylums (welfare buildings)
1 At work yet (Sculpture)
1 Atco, New Jersey
1 Athanasian Creed
1 Athanasius, Saint, Patriarch of Alexandria, d. 373
3 Athena
6 Athenaeum Club (London, England)
8 Athenaeum of Philadelphia
7 Athenaeums
12 Athens, Greece
3 Athletic clubs
5 Athletic fields
1 Atkinson's Mill
3 Atlanta, Georgia
1 Atlantic Barrel Manufactury
6 Atlantic City, New Jersey
2 Atlantic Coast Seaman's Union
8 Atlantic County, New Jersey
1 Atlantic Dryer & Varnish Co.
4 Atlantic Knitting Mill (J. S. Jones)
1 Atlantic Petroleum Storage Company
4 Atlantic Refining Co.
1 Atlas Manufacturing Co.
3 Atlases
1 Atlee, Washington L. (Washington Lemuel), 1808-1878
2 Atmore & Son (Firm)
4 Atmore Mince Meat Factory
2 Attics (interior spaces)
1 Attorney General
5 Attributes (symbols)
1 Attucks, Crispus, d. 1770
1 Attwood, William, fl. 1836-1850
1 Aub, Hackenburg & Co.
1 Auburn Manufacturing Co.
18 Auburn, Indiana
4 Auction houses
5 Auctioneers
6 Auctions
9 Audiences