Plan No. 4, Queensland on the Concord, Billerica and Carlisle, Mass., developed by the Linn Realty Service Inc., 251 Harvard St., Brookline, Mass. (R. F. Smith, Surveyor, Billerica, June 1929)

Plan No. 4, Queensland on the Concord, Billerica and Carlisle, Mass., developed by the Linn Realty Service Inc., 251 Harvard St., Brookline, Mass. (R. F. Smith, Surveyor, Billerica, June 1929), 1944 (Plan Book 66 Page 37)