- A. A. Berry Seed Co. (1)
- Allen, Lucy Grace, 1867- (1)
- American Automobile Association (1)
- American Terra Cotta Company (491)
- Amundson, H. C (1)
- Austin Herald Free Electric Cooking School (1925 : Austin, Minn.) (1)
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- Barnett, Eugene E. (3)
- Beatrice Nursery & Sonderegger Seed (1)
- Bell Museum of Natural History (78)
- Boyd, W. H (1)
- Breitwish, A. J. (Photographer) (4)
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- Brooks, Alfred H. (Alfred Hulse), 1871-1924 (1)
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- C.M. Co (1)
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- Campbell, Frank W. (1)
- Canada. Natural Resources Intelligence Service (1)
