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