Detail
Type Forsth. - Reetzerhütten is a Försthaus (Forester's house).
Kr Zauch-Belzig - The Kreis for Reetzerhütten is Zauch-Belzig. A Kreis is a government district (similar to a U.S. county).
See Mahlsdorf 3) - A See notation means the entry is dependent on another entry. In this case, Reetzerhütten is dependent on Mahlsdorf 3), which should be consulted for additional information.