Colenda Digital Repository
- Desarnod, Joseph-François1
- Explosives1
- Explosives -- Early works to 18001
- Laubert, Charles Jean, 1762-18341
- Madder1
- Madder -- Early works to 18001
- Meijer, Cornelis, 1629-17011
- Metallurgy1
- Metallurgy -- Early works to 18001
- Military art and science1
- Military art and science -- Early works to 18001
- Moore, Francis, of Cheapside1
- Ordnance, Naval1
- Ordnance, Naval -- Early works to 18001
- Physics1
- Physics -- Early works to 18001
- Platinum1
- Platinum -- History1
- Rossi, Matthia de', 1637-16951
- Saltpeter industry1