Detail
Type Ein. - Rieberseck is a Einöde (Outlying Farm).
BA Vilsbiburg - The Bezirksamt for Rieberseck is Vilsbiburg. The Bezirksamt is the District Office.
See Bergham 1) - A See notation means the entry is dependent on another entry. In this case, Rieberseck is dependent on Bergham 1), which should be consulted for additional information.