John Stevens and his sons, early American engineersWatkins, John Elfreth · First published 1892Open the Tome
Historic ghosts and ghost huntersH. Addington Bruce, John E.L. Tenney, John Elfreth Watkins · First published 1908Open the Tome
The Development of the American Rail and Track, as Illustrated by the Collection in the U.S ..John Elfreth Watkins · First published 1891Open the Tome