Journey from Wilhelm v. Ploennies to New Pomerania, German New Guinea, and his death there (copies of the originals in the Australian National Library in Canberra) Add to clipboard O 59 Ploennies, 55 File Part of Hessian State Archives Darmstadt (Archivtektonik) In: Hessian State Archives Darmstadt (Archivtektonik) >> Family archives and estates >> Smaller discounts >> Estate of Ploennies