Hand Brake Chain, undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series V: Operations, undated, 1865-1975Subseries 3: Drafting, undated, 1951-1962Locomotive blueprints/diagrams, drafting work, date sketches, standard sketches, undatedDrawings 10113-17557, undated
Hanson, Massachusetts to Hopewell Junction, New York, undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series I: Secretary's Records, undated, 1860-1986Subseries 4: Real Estate, undated, 1872-1973Regional maps and diagrams, undated, 1873-1875Various maps and diagrams, undated
Harlem and Port Chester Railroad, undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series I: Secretary's Records, undated, 1860-1986Subseries 4: Real Estate, undated, 1872-1973Schedules of Titles, undated
Harlem River and Port Chester Railroad, 1942-1954 Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series IV: Accounting Department, undated, 1890-1969Subseries 1: General Subject Files, undated, 1890-1969Transfer Dept. File, undated, 1924-1954
Harlem River, New York (5 ff), 1930-1960 Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series I: Secretary's Records, undated, 1860-1986Subseries 3: Agreements, undated, 1879-1978Sidetrack Agreement and Maps, 1930-1960
Harlem River- Port Chester, New York, undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series V: Operations, undated, 1865-1975Subseries 2: Bridges, Buildings and Grade Crossings, undated, 1898-1970Grade Crossing List Books, bound volumes, undated, 1925
Hartford and Connecticut Western Railroad / Central New England Railway, undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series I: Secretary's Records, undated, 1860-1986Subseries 4: Real Estate, undated, 1872-1973Schedules of Titles, undated
Hartford and Middletown Street Railway, 1906 Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series I: Secretary's Records, undated, 1860-1986Subseries 6: Subsidiaries, undated, 1860-1968Deeds, meeting minutes, construction/valuation reports, general records, ledgers, undated, 1860-1962General Deeds: Consolidated Railway Co., 1905-1940
Hartford and New Haven Railroad, undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series I: Secretary's Records, undated, 1860-1986Subseries 4: Real Estate, undated, 1872-1973Schedules of Titles, undated
Hartford, Connecticut (2 ff), undated Bookmark Collection Context University of Connecticut -Archives and Special Collections at the Thomas J. Dodd Center New Haven Railroad Historical and Technical Association Collection, undated, 1860-1986Series I: Secretary's Records, undated, 1860-1986Subseries 4: Real Estate, undated, 1872-1973Regional maps and diagrams, undated, 1873-1875Various maps and diagrams, undated