Oper. Group “Czersk” – Special Group “Chojnice”: HQ, 1st Rifle Battalion, National Defence Battalion, 18th Lancers Regiment, I battery 9th Light Artillery Regiment

B – Typescripts, Manuscripts and Depositions (1939) B.I Depositions concerning the Polish 1939 Campaign

Oper. Group “Czersk” – Special Group “Chojnice”: HQ, 1st Rifle Battalion, National Defence Battalion, 18th Lancers Regiment, I battery 9th Light Artillery Regiment B – Typescripts, Manuscripts and Depositions (1939) B.I Depositions concerning the Polish 1939 Campaign