Hello,
Consult the following publications:
Jagdgeschwader 3 "Udet" in World War II - Stab and I./JG 3 in Action with the Messerschmitt Bf 109
Prien,Jochen & Gerhard Stemmer
Atglen:Schiffer Military History,2002
and ...
Aces of Jagdgeschwader 3 'Udet'
(Osprey Aircraft of the Aces - No.116)
Weal,John
Oxford:Osprey,2013.
see also:
https://www.asisbiz.com/il2/Bf-109E/JG3-Stab.html
and ...
https://ww2aircraft.net/forum/thread...-britain.45272
Col.