Roe, Joseph Wickham (1916), English and American Tool Builders, New Haven, Connecticut: Yale University Press, LCCN 16011753. Reprinted by McGraw-Hill, New York and London, 1926 ( LCCN 27-24075); and by Lindsay Publications, Inc., Bradley, Illinois ( ISBN 978-0-917914-73-7).
Roe, Joseph Wickham (1916), English and American Tool Builders, New Haven, Connecticut: Yale University Press, LCCN 16011753. Reprinted by McGraw-Hill, New York and London, 1926 ( LCCN 27-24075); and by Lindsay Publications, Inc., Bradley, Illinois ( ISBN 978-0-917914-73-7).