Motion Picture Producers and Distributors of America, Inc. In matter of Motion Picture Producers and Distributors of America, Inc., & Nicholas M. Schenck, Association of Motion Picture Producers, Inc., & Joseph M. Schenck & Pat Casey, and Columbia Pictures Corporation of California, Ltd., et al. and International Sound Technicians of Motion Picture Industry, Local 695 of International Alliance of Theatrical Stage Employees and Moving Picture Machine Operators of United States and Canada, et al., cases nos. R-1466 to R-1528; amendment to decision and certification of representatives, Nov. 28, 1939.