Shipowners' Association of Pacific Coast. In matter of Shipowners' Association of Pacific Coast, Waterfront Employers Association of Pacific Coast, Waterfront Employers of Seattle, Waterfront Employers of Portland, Waterfront Employers Association of San Francisco, Waterfront Employers Association of Southern California, and International Longshoremen's and Warehousemen's Union, District No. 1; in matter of Waterfront Employers Association of Southern California and International Longshoremen's and Warehousemen's Union, Local 1-13 [decision and certification of representatives], cases nos. R-638 and R-572, decided June 21, 1938.