1. Review, work accidents and the law by Crystal Eastman;Abbot;The American Journal of Sociology,1911
2. Safety First: Technology, Labour and Business in the Building of American Safety 1870–1939;Aldrich,1997
3. American Engineering Council, 1928. Safety and Production. An Engineering and Statistical Study of the Relationship between Industrial Safety and Production. Harper & Brothers Publishers, New York.
4. Anonymous, 1889a. Inquiry into the Life and Labour of the People in London. Charles Booth (1886–1903). .
5. Voorkoming van ongevallen in fabrieken en werkplaatsen in Nederland (Prevention of accidents in factories and workshops in The Netherlands);Anonymous;De Ingenieur,1889