The New York Tunnel Extension of the Pennsylvania Railroad
With a bill to incorporate the State Board of Trustees of the Hoosac Tunnel Railroad; also the speech delivered by Hon. E. P. Carpenter in the Senate of Massachusetts, June 3, 1873, in support of the same
The New York Tunnel Extension of the Pennsylvania Railroad.; The Cross-Town Tunnels. Paper No. 1158
The New York Tunnel Extension of the Pennsylvania Railroad.; The East River Tunnels. Paper No. 1159
The New York Tunnel Extension of the Pennsylvania Railroad.; The East River Division. Paper No. 1152
The New York Tunnel Extension of the Pennsylvania Railroad.; The North River Tunnels. Paper No. 1155
The Bergen Hill Tunnels. Paper No. 1154
The New York Tunnel Extension of the Pennsylvania Railroad.; Paper No. 1150
The New York Tunnel Extension of the Pennsylvania Railroad,; The North River Division. Paper No. 1151