„Old City Hall (Boston)“. National Historic Landmark summary listing. National Park Service. 2012-yil 8-oktyabrda asl nusxadan arxivlangan. Qaraldi: 2008-yil 6-iyul.
web.archive.org
„Old City Hall (Boston)“. National Historic Landmark summary listing. National Park Service. 2012-yil 8-oktyabrda asl nusxadan arxivlangan. Qaraldi: 2008-yil 6-iyul.