Biodiversity Heritage Library
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By "Dreis, Thelma. "
Conserving human and natural resources : and related material,
By: Ringland, Arthur C. (Arthur Cuming), - Dreis, Thelma. - Fry, Amelia R. - Ingersoll, Fern S. - Mezirow, Edith. - Bancroft Library. Regional Oral History Office.
Holding Institution: University of California Libraries (archive.org)