- Have you studied mineralogy?" - "Menhardoc", George Manville Fenn.
- 3. Mineralogy and Botany. - "The Friars in the Philippines", Ambrose Coleman.
- I heard lectures on applied mathematics, arithmetic, algebra, geometry, mineralogy, botany, natural history, physics, chemistry, accounts, cultivation of forest trees and management of forests, architecture, house- building, and land- surveying. - "Autobiography of Friedrich Froebel", Friedrich Froebel.