Scope and Contents note From the Sub-Series: Under contract with Mexican railroads the Pullman Company operated its cars in Mexico from 1884 through the 1960’s. Until 1934, when legislation forbade the practice, Mexican and United States employees were used interchangeably on lines operating in both nations. After 1934, Mexican and American citizens were required to work exclusively in their own countries.Chiefly 1930’s files of F. L. Simmons, Supervisor of Industrial Relations, regarding Pullman Company relations with...