Report of the commissioners invited by the Canal Board of the state of New York, July 10th, 1877, : to consider and report on the subject of tolls upon the canals, having reference to the subject of revenues, and also to increasing the commerce of the canals - Wells, David A. (David Ames), 1828-1898; Thurstone, William, 1826-1898 (Weed, Parsons & Company, Printers, 1878)