Detail
Type Hrgr. - Neu Köthen is a Häusergruppe (Group of Houses).
Kr Beeskow-Storkow - The Kreis for Neu Köthen is Beeskow-Storkow. A Kreis is a government district (similar to a U.S. county).
See Köthen - A See notation means the entry is dependent on another entry. In this case, Neu Köthen is dependent on Köthen, which should be consulted for additional information.