Subject
- Gums and resins, Synthetic3
- Gunpowder3
- Gunpowder industry3
- Industries3
- Insect pests3
- Laboratories3
- Lea, M. Carey (Mathew Carey), 1823-18973
- Mauve3
- Medicinal plants3
- Metallurgy3
- Metals3
- Monroe Chemical Company3
- Naturalists3
- Nobel Prize winners3
- Nursing3
- Paint3
- Pasteur, Louis, 1822-18953
- Petroleum industry and trade3
- Pharmacology3
- Physical instruments3