Columbia subject headings:
Albany and Susquehanna Railroad Company.
Erie Railway.
Field, David Dudley, 1805-1894.
Harvard subject headings:
Albany and Susquehanna Railroad Company
Albany and Susquehanna Railroad Company--History.
Erie Railway--History.
Erie Railway.
Field, David Dudley, 1805-1894
Railroads--Northeastern States--History.
Princeton subject headings:
Albany and Susquehanna Railroad Company.
Erie Railway.
Field, David Dudley, 1805-1894.