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The future of BHL is uncertain, but hopeful. Learn more.
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  1. By: American Nature Study Society.
    Publication info: Ithica, N.Y, Comstock Pub. Co, 1905-1923
    Holding Institution: Multiple institutions
  2. By: American Nature Study Society.
    Publication info: Lancaster, Pa, [M.A. Bigelow], 1905-
    Holding Institution: Multiple institutions