"Carreteres." . . "Història." . . . . "Routes Pennsylvanie." . . "Roads." . . "Pennsylvania imprints Pennsylvania Philadelphia." . . "Roads Pennsylvania." . . "Roads / Pennsylvania." . "Canals." . . "S. XVIII-XIX" . . "Pennsylvania imprints 1811." . . "Estats Units d'Amèrica." . . "Pennsylvania." . . "Canals Pennsylvania." . . "Canals / Pennsylvania." . "Pennsylvania imprints Aitken, Jane." . . . "Letters addressed to the people of Pennsylvania respectong the internal improvement of the commonwealth by means of roads and canals" . . "Letters, addressed to the people of Pennsylvania respecting the internal improvement, of the commonwealth by means of roads and canals" . "Letters, addressed to the people of Pennsylvania respecting the internal improvement, of the commonwealth by means of roads and canals"@en . . . . . . . "Roads and canals"@en . "Letters addressed to the people of Pennsylvania respecting the internal improvement of the Commonwealth by means of roads and canals" . "Letters addressed to the people of Pennsylvania respecting the internal improvement of the Commonwealth by means of roads and canals"@en . "Letters, addressed to the people of Pennsylvania respecting the internal improvement, of the commonwealth; by means of roads and canals" . "Letters, addressed to the people of Pennsylvania respecting the internal improvement, of the commonwealth; by means of roads and canals"@en . . . "Letters addressed to the people of Pennsylvania respecting the internal improvement of the commonwealth by means of roads and canals" . . . . . . . . "Letters on roads & canals"@en . . . . . . . "Letters addressed to the people of Pennsylvania respecting the internal improvement, of the commonwealth; by means of roads and canals"@en . . . "Letters, addressed to the people of Pennsylvania respecting the internal improvement, of the commonwealth : by means of roads and canals"@en . . . . . . . . . . . "Letters addressed to the people of Pennsylvania respecting the internal improvement of the commonwealth : by means of roads and canals"@en . . . . . . . . "Letters addressed to the people of Pennsylvania respecting the internal improvement, of the Commonwealth by means of roads and canals"@en . . . . . . "Canaux Pennsylvanie." . .