Newcomen publication
Newcomen Society in North America
William B. Johnson
Newcomen Society in North America 1973 Newcomen publication no. 971
Available at 3 libraries
Carl Horn, Jr
Newcomen Society in North America 1973 Newcomen publication no. 969
Charles G. Bluhdorn
Newcomen Society in North America 1973 Newcomen publication no. 970
Available at 4 libraries
by Conrad Newton Lauer
Newcomen Society, American Branch 1939 Newcomen publication 1939
Available at 2 libraries
contributed by Duncan J. Kerr
Newcomen Society, American Branch 1938 Newcomen publication 1938
Available at 1 libraries