Showing 1 - 4 results of 4 for search 'Heintzelman, Donald S.', query time: 0.01s Refine Results
  1. 1
    Autumn hawk flights; the migrations in eastern North America

    Autumn hawk flights; the migrations in eastern North America by Heintzelman, Donald S.

    Published 1975
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  2. 2
    A guide to eastern hawk watching /

    A guide to eastern hawk watching / by Heintzelman, Donald S.

    Published 1976
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  3. 3
    The birdwatcher's activity book /

    The birdwatcher's activity book / by Heintzelman, Donald S.

    Published 1983
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  4. 4
    The migrations of hawks /

    The migrations of hawks / by Heintzelman, Donald S.

    Published 1986
    Other Authors: “…Heintzelman, Donald S.…”
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