Map of 240 districts of the Massachusetts House of Representatives apportioned in 1973.<a rel="nofollow" class="external autonumber" href="https://archives.lib.state.ma.us/handle/2452/26842">[1]</a>
Massachusetts General Court
<a rel="nofollow" class="external free" href="https://malegislature.gov/Redistricting/HistoricDistricts/House">https://malegislature.gov/Redistricting/HistoricDistricts/House</a>