The Fourth Town hall was designed by Anderson, Beckwith And Haible in 1963. The dedication was October 13, 1965. The photograph depicts a celebration at the Town Hall (dedication?) with construction equipment visible in the background.
Brookline Public Library
Fourth Town Hall, Washington Street, Buildings Public, celebrations, automobiles,
“Town Hall,” Digital Commonwealth , accessed December 9, 2013, http://www.digitalcommonwealth.org/items/show/9468.