Author:Wilbur Samuel Jackman

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Wilbur Samuel Jackman
American educator and one of the originators of the nature study movement
Wilbur Samuel Jackman


Works by this author published before January 1, 1926 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.