Names
- Ann Arbor, Public Library1
- Ann Arbor-Ypsilanti Interurban1
- Antrim Iron Company.1
- Appleton1
- Arbeiter Block1
- Arboretum1
- Arcade Theater1
- Arcadia & Betsey River Railway Company.1
- Architectural League of America.1
- Architecture Building1
- Argo Dam1
- Argo Mills1
- Armbruster1
- Armstrong1
- Armstrong Studio1
- Ashley1
- Association of Collegiate Schools of Architects.1
- Association of Collegiate Schools of Architecture.1
- Atchison, Topeka, and Santa Fe Railway Company.1
- Atlantic & Pacific Tea Company1