Type D. u. Dom. - Preussisch Mark is a Dorf und Dominium (State-owned estate).

Lvl I Pr. - Level I shows which Kingdom or State the place is located in. Preussisch Mark is located in Preussen.

Prov Ostpr. - The Province shows which Province or State the place is located in. Preussisch Mark is located in Ostpreussen.

RB Königsberg - The Regierungsbezirk for Preussisch Mark is Königsberg. The Regierungsbezirk is a government district that is in hierarchy between the State and Kreis level.

AG Saalfeld Ostpr. - The Amtsgericht for Preussisch Mark is in Saalfeld Ostpr. The Amtsgericht is where the Lower District Court is located.

BKdo Braunsberg - The Bezirkskommando for Preussisch Mark is in Braunsberg. The Bezirkskommando is the District Military Command. You can look in the BKdo to find military records.

StdA Preussisch Mark 1) Kr. Mohrungen [self] - The Standesamt for Preussisch Mark is in itself. The Standesamt is where the Civil Registration Office is located.

A Preussisch Mark 1) Kr. Mohrungen [self] - The Amtsbezirk for Preussisch Mark is itself. The Amtsbezirk is the District Office.

Kr Mohrungen - The Kreis for Preussisch Mark is Mohrungen. A Kreis is a government district (similar to a U.S. county).