Marshall, Frank, Marshall-Brownlee Ancestry, WorldConnect db=fmarshal, version of 6/26/2005. Author address: fmarshal at bellsouth dot net. Information from this source tagged as [Ref: Frank Marshall 6/26/2005].
Vital Records of Newburyport, Massachusetts to the end of the year 1849. Salem, Mass: Essex Institute, 1911. PS134. Information from this source tagged as [Ref: NewburyportMA vitals p[0-9]*].