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National Fire Protection Association. Report of Committee on Safety to Life. Annual Meeting, 18th Proceedings. May 5-7, 1914
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National Fire Protection Association. Report of Committee on Safety to Life. Annual Meeting, 19th Proceedings. May 11-13, 1915
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National Fire Protection Association. Report of Committee on Safety to Life. Annual Meeting, 20th Proceedings. May 9-11, 1916
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National Fire Protection Association. Report of Committee on Safety to Life. Annual Meeting, 21st Proceedings. May 8-10, 1917
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National Fire Protection Association. Report of Committee on Safety to Life. Annual Meeting, 22nd Proceedings. May 7-9, 1918
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National Fire Protection Association. Report of Committee on Safety to Life. Annual Meeting, 24th Proceedings. May 4-6, 1920
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National Fire Protection Association. Report of Committee on Safety to Life. Annual Meeting, 25th Proceedings. June 14-16, 1921
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National Fire Protection Association. Report of Committee on Safety to Life. Annual Meeting, 26th Proceedings. May 9-11, 1922
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National Fire Protection Association. Report of Committee on Safety to Life. Annual Meeting, 27th Proceedings. May 8-10, 1923
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National Fire Protection Association. Report of Committee on Safety to Life. Annual Meeting, 29th Proceedings. May 12-14, 1925
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