Hagaon Hatzadik Moreinu Harav Moshe Halevi-Segal Spitz, Rav of Tsenger

(1) "Die Grabschriften des Alten Judenfriedhofes in Wien" Band II, by Dr. Bernhard Wachstein-pg. 259

(2) "Die Familie Wolf" - by Ernst Wolf 1924

(3) http://www.fpe.ch/stammbaum/ pg.111,116

(4) מגלות היוחסין של משפחות יהודיות הונגריות- כרך ראשון

עורך- מונקאטשי pg. 4, 122-140

(5) http://freepages.genealogy.rootsweb.com/~prohel/names/misc/spitz.ht...

(6) Segal, Yehezkel, Torat Yehezkel, Abraham Singer (ed.), Pecs, 1899: "I have discovered that he [R. Aharon Spitz] was one of the [should be: 2nd great] grandchildren of the magnificent R. Moshe Spitz Segal of Vienna, who was the father of the author of Male Ratzon" (Introduction, p. 3, n. 13).