James H. Brace
Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The New York Tunnel Extension of the Pennsylvania Railroad. The Cross-Town Tunnels. Paper No. 1158
James H. Brace · 2006
ספרייה ציבורית, Project Gutenberg. בלי הרשמה.
Civil engineering -- PeriodicalsRailroad tunnels -- Design and construction