September 1, 1916
How Bölcke asked MvR
How Bölcke asked MvR
Who killed the Red Baron? - PJ Carisella & James W Ryan, 1969, Purnell Book Services
How Bölcke asked MvR
von Schönebeck remembers
von Schönebeck arrives at Jasta 11
Lewis recalls his fight with MvR