Business Enterprises -- Baltimore City -- Companies and Corporations: The Gatch Supply Co. (display window); General Classification; General Refactories (testing machine); Gibson & Kirk Co. (building exterior); H. P. Gould Co. (circuit breaker); Hammill Motor Co. (building exterior), 1920-1930 and undated

Business Enterprises -- Baltimore City -- Companies and Corporations: The Gatch Supply Co. (display window); General Classification; General Refactories (testing machine); Gibson & Kirk Co. (building exterior); H. P. Gould Co. (circuit breaker); Hammill Motor Co. (building exterior), 1920-1930 and undated, 2.9.4, Box: 9, Folder: 4.0. Subject Photographs -- Print File, 0299-MDHC. Special Collections and University Archives. https://archives.lib.umd.edu//repositories/2/archival_objects/284772 Accessed December 22, 2024.