State Department of Transportation - Gowanus Project - Profile, need and objectives, public participation, events, travel advisories, contact information. - https://www.nysdot.gov/portal/page/portal/regional-offices/region11/projects/gowanus-project
MetroCard Merchants - Vendors of New York City Transit fare cards. Locations, contact information. - http://www.mta.info/metrocard/mcgtreng.htm
A Gowanus Tunnel - Initial feasibility study by a regional plan association study team. [pdf] - http://www.rpa.org/pdf/gowanus.pdf
Brooklyn-Manhattan Transit - Dedicated to the history of the Brooklyn-Manhattan Transit Corp (1923 -1940). Includes maps, schedules, annual reports, rulebooks and other company publications. - http://www.bmt-lines.com/