Proceedings of the Massachusetts Historical Society.

Vol. 21-40 called 2nd series v. 1-20; v. 41-42 called 3rd series v. 1-2.Vol. 1, 1791/1835, published 1879; v. 2, 1835/55, published 1880; v. 3, 1855/58, published 1859.Mode of access: Internet.v. 1-20, 1791/1835-1882/83; 2d ser., v. 1-20, 1884/85-1906/07; 3d ser., v. 41-60, 1907/08-Oct. 1926/June 1927