Broemel, Louis and James Sharkey Daugherty. Sheet Metal Workers' Manual: A Complete, Practical Instruction Book on the Sheet Metal Industry, Machinery and Tools, and Related Subjects, Including the Oxy-acetylen Welding and Cutting Process. New York: Drake, 1918.

Broemel, Louis and James Sharkey Daugherty. Sheet Metal Workers' Manual: A Complete, Practical Instruction Book on the Sheet Metal Industry, Machinery and Tools, and Related Subjects, Including the Oxy-acetylen Welding and Cutting Process. New York: Drake, 1918.