Building the Clarkson Company, Making Reagent Feeders and Valves for the Mineral Industry, 1935-1998Eleanor Swent, John Robert Clarkson, Cutis W Clarkson · First published 2018Open the Tome
Essay on the Slavery and Commerce of the Human SpeciesThomas Clarkson, Newton, John · First published 2013Open the Tome
El pensamiento político-filosófico de Saavedra FajardoJohn Clarkson Dowling · First published 1957Open the Tome
