- J.H. Bufford & Co
- Digital Commonwealth
- Boston Public Library
- J.H. Bufford & Co's Lith
Relief shown pictorially. Includes distance chart and table o.f "Commerce of the northern lakes, 1844 & 1848 between the U.S. and Canadas, from official documents.
- Vermont Central Railroad Company--Maps
- No known copyright restrictions. This work is licensed for use under a Creative Commons Attribution Non-Commercial Share Alike License (CC BY-NC-SA).