- Botswana. Dept. of Surveys and Mapping1
- Bowditch, Ernest W., cartographer1
- Bracher, Wm. (William), engraver1
- Breed & Bancroft, cartographer1
- Brewer & Smith1
- Britton & Rey, cartographer, lithographer1
- Brodhead, Charles C.1
- Bromley, George Washington, cartographer1
- Brookes Baker Surveyors, cartographer, publisher1
- Brown, F. E. (Frank Elwood), 1856-19141
- Brown, Treacy & Co. (Saint Paul, Minn.), author1
- Bruce, W. L.1
- Burbank Company1
- Burke & Wulfekoetter, cartographer1
- Burr, David H., 1803-18751
- Burr, David H., 1803-1875, cartographer1
- Burrage, C. W., cartographer1
- Burroughs-Walker (Firm), cartographer1
- Butler Lowry1
- Butterfield & Swan1
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