Detail
Type D. - Seysdorf is a Dorf (Village).
BA Mainburg - The Bezirksamt for Seysdorf is Mainburg. The Bezirksamt is the District Office.
See Günzenhausen 1) - A See notation means the entry is dependent on another entry. In this case, Seysdorf is dependent on Günzenhausen 1), which should be consulted for additional information.