Works of "Research Collection"
Place Collected: Persberg
Place Collected: Persberg
Place Collected: Persberg
Place Collected: Persberg
Place Collected: Persberg
Place Collected: Persberg
Place Collected: Persberg
Place Collected: Persberg
Place Collected: Persberg
Place Collected: Persberg
Place Collected: Persberg
Place Collected: Persberg