Records of China, Collection of Genealogies are available online, click here.
余姚柏山始迁祖 : 胡辅成(五代)
散居地 : 浙江省余姚县等地
Microfilm from East Asian Library, Columbia University, New York.Salt Lake City : Genealogical Society of Utah, 1976. -- 2 reels ; 35mm.