@book{ BA32577431, author = "Wright, Conrad Edick and Viens, Katheryn P. and Massachusetts Historical Society", title = "Entrepreneurs : the Boston business community, 1700-1850", publisher = "Massachusetts Historical Society", year = "1997", series = "Massachusetts Historical Society studies in American history and culture", number = "no. 4", URL = "https://ci.nii.ac.jp/ncid/BA32577431" }