✏ Sources for Conrad Hartman and Margaret

• Title: Portrait of Berrien and Cass Counties, Michigan.
  Publication: 1893 Biographical Publishing Company.
  Page: p. 889
  Note: Gives a bioketch of a descendant of John (possibly the son of Conrad) Hartman.
  


• Title: NJ Monmouth:This Old Monmouth of Ours.
  Author: William S Horner.
  Publication: 1932, Moreau Brothers, Freehold NJ.
  Page: p. 239
  Note: 1794 tax list Conrad Hartman.
  


• Title: PA Berks: Historical and Biographical Annals of Berks County Pennsylvania.
  Author: Morton L Montgomery.
  Publication: 1909, J H. Beers & Co, Chicago.
  Page: p. 994
  Note: Biosketch of George Hartman, possibly a son of Conrad.
  


• Title: A collection of upwards of thirty thousand names of German, Swiss, Dutch, French and other immigrants in Pennsylvania from 1727 to 1776.
  Author: Rupp, I Daniel.
  Publication: 1927, Philadelphia, Leary Stuart Co, 2nd Revised and enlarged edition.
  Page: p. 318, 469
  Note: 1753 immigration and German Reformed Church.
  


• Title: NJ Middlesex: History of Middlesex County, New Jersey, 1664-1920.
  Author: Wall, John P and Pickersgill, Harold.
  Publication: 1921 Lewis Historical Publilshing, New York and Chicago.
  Page: p. 108
  Note: Names Conrad, Christian, and Cornelius Hartman as Revolutionary War veterans from Middlesex County, New Jersey.