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2 results for "PRHL" in Creator.

Title ▼	Year	Creator	Length	Holdings
Survey of the Primates PRHL	1969	PRHL	38 min.	Visual Studies Workshop
Behavior Theory in Practice: Schedules of Reinforcement - Shaping Various Operants, Various Species PRHL	1965	PRHL	20 min.	Visual Studies Workshop

Found in catalogs (1)

Business Screen 1965,1966 — page 822
…for T\' ing, state produced films and of stock f scenes. PrHLir.\TiONS: Two catalogs c-ontain coii^ei listings of USDA motion pictures…