1. Natural History, Book 9, the Loeb Classical Library;Pliny the Elder,1952
2. Theophilus: The Various Arts;Dodwell,1961
3. De arte illuminandi;Brunello,1971
4. The Stockholm Papyrus: an English translation with brief notes;Caley;J. Chem. Educ.,1927
5. Mappae Clavicula. A Little Key to the World of Medieval Techniques;Smith,1974