 Shores was general counsel for the International Association of Railway Employees (IARE).In 1941 he took on the case of "Steele v. Louisville & N. R. Co." in which B. W. Steele, a member of the IARE executive, argued that an agreement between the railway and the Brotherhood of Locomotive Firemen and Enginemen was illegal.A whites-only railroad union could not exclude blacks and then deny them better jobs because they were not union members.