Works of "Research Collection"
Place Collected: Langesundsfjord
Place Collected: Nerchinsk
Place Collected: Adun Chilon Hills
Place Collected: Strasice
Place Collected: Moschellandsberg
Place Collected: Langesundsfjord
Place Collected: "Brevig"
Place Collected: Oberstein
Place Collected: Frejus Toulon
Place Collected: Ullersreuth