1. Technology: Glass. Pliny the Elder on science and technology;Healy,1999
2. Pliny: Natural history, Volume X: Books 36-37. Loeb Classical Library 419;Eichholz,1962
3. Opuscula medica inaudita;van Helmont,1644
4. Élémens de chymie, théorique et pratique;de Morveau,1777
5. The auto-biography of Goethe: Truth and poetry: From my life;von Goethe,1846