- Andrew B. Graham Co., Photo-Lithographers (Washington, D.C)1
- Antonio Zatta; Venice1
- Appalachian Mountain Club (Boston)1
- Apud Henricum Petrum; Basiliae1
- Apud Ieremiam Wolff; Venalis nunc prostat Augustae Vindelicorum Augsburg1
- Apud Iohannen et Cornelium Blaeu (Amsterdami), 16401
- Apud R. & I. Ottens (Amsterdam)1
- Apud T.C. Lotter Geogr; Venalis nunc prostat Augustae Vindelicorum Augsburg1
- Apud heredes Joannis Janssonii1
- Architects and Engineers Supply Co (Duluth, Minn), 19261
- Arenac County Road Commission1
- Arizona Bureau of Mines & U.S. Geological Survey1
- Armena Portland (Portland, Or), 19251
- Armour and Ramsay (MontreĢal)1
- Army Air Service (Washington, D.C)1
- Army Corps Of Engineers1
- Army Map Service (U.S.)1
- Army Map Service, Corps of Engineers, Department of the Army1
- Army Map Service/Panama Canal Dept.1
- Arrowsmith (London)1