Publisher
- , 1915 (5)
- A. Hoen & Co. Lith (Baltimore) (2)
- Bureau of Soils (Washington) (2)
- Lapina (2)
- Snyder & Black (New York) (2)
- The Survey (Nashvillé) (2)
- U.S. Geological Survey (Washington, D.C) (2)
- [publisher not identified], (St. Paul) (2)
- American Geographical Society (New York) (1)
- American Immigration Company (Hayward, Wisc) (1)
- Burroughs Adding Machine Company, Detroit, Michigan 1915 (1)
- C.W.K. Gleerups Förlag (Lund) (1)
- Century (New York, 1915) (1)
- David Allen & Sons Ld. (1)
- De-Marchi Carlo (1)
- Dept. of Public Printing (Ottawa) (1)
- Devambez (1)
- Devambez Imp. (1)
- G. Schirmer, 1915 (1)
- G.W. Bacon & Co (London) (1)