1. 1
    “…F.J. Heer,…”
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    Electronic eBook
  2. 2
    “…F.J. Heer,…”
    Book
  3. 3
    “…F.J. Heer & Co.,…”
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    Electronic eBook
  4. 4
    “…F. J. Heer & Co.,…”
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  5. 5
    Published 1902
    “…F. J. Heer, state printer,…”
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