By Health and Safety Executive (HSE)
By Great Britain: Health and Safety Commission
By McCarthy
By Trade, Dept.of
By Folbre, Nancy, etc., Bergmann, Barbara, Agarwal, Bina, Floro, Maria, Amartya Sen
By Lucassen, Jan
By Hobsbawm, Eric
By Chandler, Peter
By Blyton, Paul, Turnbull, Peter
By Borjas
By Goodhart, David
By Lazear, Edward P.
By Peak, Steve
By Engels, Friedrich, Kiernan, Victor
By Turvey, Peter
By Jones
By Engels, Friedrich
By Starr, Gerald
By Cramp, Peter
By Friedman, Sam
By Harney, Alexandra
By Worcester, Robert M., Mortimore, Roger
By Unknown
By Martin Linton Editor
By Shackleton, J. R.
By Ackroyd, Stephen, Batt, Rosemary, Thompson, Paul, Tolbert, Pamela S.
By Salamon, Mike
By James Anthony Trevithick
By Colin Cummings