✏ Sources for Abraham Hassler and Christina Bortner

• Title: Bortner: The Bordner and Burtner Families and Their Bortner Ancestors in America.
  Author: Bordner, Howard W.
  Publication: 1967, Washington DC.
  Page: p. 10
  Note: Reports Christina's parents and married name of Hassler.
  


• Title: Hasler Families and Where They Came From.
  Author: Helen Hassler Dempsey.
  Publication: 1946.
  Page: p. 54, 180-81
  


• Title: PA Archives.
  Page: 6th series, Vol. 2, p. 570, Vol 3, p 1467
  Note: Reports military service. 1785 service in Herman's company.
  


• Title: Bortner: George Bortner of Codorus Twp, York County, Pennsylvania and His Descendants.
  Author: Charles Henry Glatfelter.
  Publication: 1949, The Bortner Association, Glen Rock, PA.
  Page: p. 36
  Note: Reports Christina's parents, birthdate, marriage to Abraham Hassler. Biosketch of their life.
  


• Title: PA Archives.
  Page: Third Series, Vol XXI 1897 Harrisburg William Egle
  Note: Page 703 reports 1783 tax list.
  


• Title: PA York, Returns of Taxables for the years 1779, 1780, 1781, 1782, and 1783.
  Author: Egle, William Henry.
  Publication: 1898, W.S. Ray, State Printer of Pennsylvania.
  Note: Tax record 1783 page 703.
  


• Title: PA York History of York County, Pennsylvania (1907), Vol 2.
  Author: Prowell, George Reeser.
  Publication: 1907, Chicago, J H Beers.
  Page: p 224
  Note: 1798 land sales George Bortner to Abraham Hosler.