454 Boston and Albany Railroad, 1879 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, 1879-1978Various railway trusts, file numbers, agreements and leases, undated, 1879-1947
457 Milford, Attleboro and Woonsocket Street Railway, 1899 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, 1879-1978Various railway trusts, file numbers, agreements and leases, undated, 1879-1947
4.5" Steam Gauge, 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 40794-42597, undated
4782 Inspector's reports: Westchester Bridge, 1941 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, 1898-1970Inspections, minutes, reports, 1911-1963
480 Boston Elevated Railway Co., 1899 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, 1879-1978Various railway trusts, file numbers, agreements and leases, undated, 1879-1947
491 Interstate Consolidated Street Railway, 1900 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, 1879-1978Various railway trusts, file numbers, agreements and leases, undated, 1879-1947
4 Eastern District ( Old Colony Railroad ), 1925 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, 1925
4 Manchester-New Haven, 1915 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, 1872-1973Lists of Deeds, 1915Connecticut, 1915
4 Norfolk, 1915 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, 1872-1973Lists of Deeds, 1915Massachussetts Counties, 1915
4 Supplemental mortgage, 1927 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, 1860-1968Berkshire Street Railway : agreements, mortgages, company statements, corporate certificates/licenses, quarterly returns, maps, etc., 1900-1947,