T. R. (Thomas Robert) Malthus
John Stuart Mill, J. Laurence (James Laurence) Laughlin
Ian Steedman, John R Atherton, Elaine Graham
T. R. (Thomas Robert) Malthus
Frederick L. (Frederic Lockwood) Lipman
George Augustine Thomas O'Brien
Wilhelm Roscher, John J. (John Joseph) Lalor