- Franz Buchner, Burgen und Burgställe des Eichstätter Bistums: ... erwarb Bischof Friedrich (+1415) von Schweiker von Gundelfingen
- Die Siedlungsnamen des Bistums Eichstätt von Dr. Michael Bacherler (1924): Gundelfing (Riedenburg) Quellen z. bayr. u. deutschen Gesch. I S. 72 (Schenkungsb. d. Kl. S. Emmeram n,160, a.1095-1143) Gundoldingen, Sippensiedlung des Gundolt, nicht mit Ku 427 Gundolf.
- Flurnamen: Hanfacker; Point; Schulsteig; die Röthen; die Ötz; mit Quelle am Berghang
- Quelle ht tp://www.tara.tcd.ie/bitstream/2262/3921/1/jssisiVolXII263_294.pdf
RATH.-There are about 48 Townlands named RATH, and over 700 where RATH is the initial syllable of the name. In Irish it is rath, " a fort" or " fortress," as Rathcormack, tath Connate, " Cormac's rath or fort." There are 88 Townlands named Raheen, which signifies " a little fort." A similar word occurs in Scotch Gaelic topography, as Raithburn, " fort of the stream " Ayrshire
- Wohl römisch Inquilinius = eingewanderter Bürger