Works of "Research Collection"
Place Collected: on Vesuvius
Place Collected: 1870 eruption
Place Collected: 1926 eruption
Place Collected: 1926 eruption
Place Collected: 1868 eruption
Place Collected: on Vesuvius
Place Collected: Albani Hills
Place Collected: Linosa Island
Place Collected: April 1906 eruption
Place Collected: 1911 eruption