1 Daniel Richard Yankle, Yankle Fam .3.doc : Transcript of letters, emails, and telephone conversations between Daniel Richard Yankle and David Scott Yankle, 1998-1999, (Yankle Chronicle, 2003 - 2004), John Ezra Yankle.
2 Ibid, Helena A. Griep.
3 Ibid, Mary Katherine Yankle.
4 Robert Palmer Yankle II, Interview with Mary Katherine (Yankle) Young, 17 Apr. 2004, (Yankle Chronicle, May 2004), David Bruce Young.
5 Robert Palmer Yankle II, Interview with Mary Katherine (Yankle) Young, 8 Oct. 2003, (Yankle Chronicle, May 2004), David Tyler Young.
6 Ibid, Erin Katherine Young.
7 Ibid, Sydney Margaret Young.