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1 result for "William Seifriz" in Creator.

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• Educational Screen 1954,1955,1956 — page 1032

  Award-winning pholomicrographic re- search in a fundamental area by the late William Seifriz, professor of botany at the University of Pennsylvania. Experiments, largely…

• Educational Screen 1954,1955,1956 — page 1094

  Award-winning photomicrographic re- search in a fundamental area by the late William Seifriz, professor of botany at the University of Pennsylvania. Experiments, largely…