- Co-Op Publishing Association (12)
- Hayrinen, T. (12)
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- Peltonen, E. (4)
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- Co-Operative Publishing Association (3)
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- Cooperative Publishing Association, superior, Wisconsin (3)
- Elo, Taisto A. (3)
- Turnquist, A.M. Hibbing and Eveleth, Minn. (3)
- Co-Operative Publishing Association, Superior, Wisconsin (2)
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- Hayrinen, T. Cooperative Publishing Association (2)
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