Twins, Nature And Nurture.

Duration: 1080

Year Published: 1960

Format: 16mm

Color: B&W

Sound: sound

Description: X: TMB: Transitional mattes--B-Roll AC: Acetate B: 800' 16/8/9.5mm 16mm Black & White Sound 1080 Calvin Productions, Inc. McGraw-Hill Text Films

Complete Record: Twins, Nature And Nurture. Calvin Co. 29 Min., Sd., B&W, 16 Mm. © Calvin Co.; 29apr60 (In Notice: 1959); Mp10665.

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