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Minimum standard equipment of visual and other sensory materials. June 1938.

APA Citation

Pennsylvania. Dept. of Public Instruction. (1938). Minimum standard equipment of visual and other sensory materials. June 1938. [Harrisburg.

Pennsylvania. Dept. of Public Instruction. Minimum Standard Equipment of Visual And Other Sensory Materials. June 1938. [Harrisburg, 1938.

Warning: These citations may not always be complete (especially for serials).