Detail
Type Först. - Müssener Rülau is a Försterei (Forest ranger station (residence)).
See Müssen 2) Lauenburg - A See notation means the entry is dependent on another entry. In this case, Müssener Rülau is dependent on Müssen 2) Lauenburg, which should be consulted for additional information.
Vgl Müsen - A Vgl (Vergleiche) notation lists places with similar spellings that you may want to compare. In this case, you may want to try searching for Müsen.