Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910, Start/End Papers :
Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910, Start/End Papers : The New York Tunnel Extension of the Pennsylvania Railroad [electronic resource] /
Various
- Project Gutenberg, 2013
- Project Gutenberg 43055 .
Public domain in the USA.
Electronic text
Public domain in the USA.
Electronic text