Detail
Type (V a) Zwischenwerk - Bonin is a (V a) Zwischenwerk.
Kr Posen Ost - The Kreis for Bonin is Posen Ost. A Kreis is a government district (similar to a U.S. county).
See Winiary - A See notation means the entry is dependent on another entry. In this case, Bonin is dependent on Winiary, which should be consulted for additional information.