Biography -- Pfeiffer, Maria Watson.
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Pfeiffer, Maria Watson, 1946-
http://n2t.net/ark:/99166/w6km26k5 (person)
White, Richard
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Ridgely Farm was a sub-station of the Maryland Agricultural Experiment Station. From the description of Richard White Collection, 1905-1920. (University of Maryland Libraries). WorldCat record id: 20360583 ...
San Antonio Conservation Society
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