- E. R. Trott (New York?), 1925 (1)
- Elton Corporation, 1925 (1)
- Eureka Print. Co (Eureka, Calif), 1925 (1)
- Florida Geological Survey (Florida) (1)
- General Drafting Co (New York), 1925 (1)
- General Land Office (Washington) (1)
- General Service Schools (Fort Leavenworth, Kan) (1)
- Generalst. Litogr. Anstalt (Stockholm), 1925 (1)
- Geographia Ltd (London), 1925 (1)
- Geographical Pub. Co (Chicago) (1)
- Geological Survey Office (Pretoria) (1)
- Geologicheskii komitet (Leningrad) (1)
- H.J. Heinz Co (Pittsburgh, PA) (1)
- Harcourt, Brace and Company (New York), 1925 (1)
- Igleheart Bros (Evansville, Ind, 1925) (1)
- J. & J. Colman (New York, 1925) (1)
- Little, Brown, and company (Boston, 1925) (1)
- M. Barrows & company (Boston) (1)
- Malleable Iron Range Co (Beaver Dam, Wis, 1925) (1)
- Mc-Gill Warner Co (St. Paul, Minn) (1)
