Versions of Massachusetts General Laws ch. 161A sec. 51 - Display acknowledging the contributions of Rosa Parks to the civil rights movement on buses operated by Massachusetts Bay Transportation Authority on LawServer 2023 Massachusetts General Laws ch. 161A sec. 51 – Display acknowledging the contributions of Rosa Parks to the civil rights movement on buses operated by Massachusetts Bay Transportation Authority 2022 Massachusetts General Laws ch. 161A sec. 51 – Display acknowledging the contributions of Rosa Parks to the civil rights movement on buses operated by Massachusetts Bay Transportation Authority 2020 Massachusetts General Laws ch. 161A sec. 51 – Display acknowledging the contributions of Rosa Parks to the civil rights movement on buses operated by Massachusetts Bay Transportation Authority 2019 Massachusetts General Laws ch. 161A sec. 51 – Display acknowledging the contributions of Rosa Parks to the civil rights movement on buses operated by Massachusetts Bay Transportation Authority