Duane, W. J. 1. (1811). Letters, addressed to the people of Pennsylvania respecting the internal improvement, of the commonwealth; by means of roads and canals. Philadelphia: Printed by Jane Aitken, No. 71, North Third street.

Duane, William J. 1780-1865. Letters, Addressed to the People of Pennsylvania Respecting the Internal Improvement, of the Commonwealth; By Means of Roads and Canals. Philadelphia: Printed by Jane Aitken, No. 71, North Third street, 1811.

Duane, William J. 1780-1865. Letters, Addressed to the People of Pennsylvania Respecting the Internal Improvement, of the Commonwealth; By Means of Roads and Canals. Philadelphia: Printed by Jane Aitken, No. 71, North Third street, 1811.