1. A. Cooper, “The Complete Distiller,” London. 1760.
2. Paracelsus, “The Writings of Paracelsus,” Ed. A.E. Waite, London, 1894.
3. George Agricola (Bauer), “De Re Metallica,” Basel, 1556. Hoover translation, London 1912.
4. V. Biringguccio, “De La Pyrotechnia,” Napoli, 1550.
5. Hier Brunschuygk, “Liber de Arte Distillandi de Compositis,” Strassburg, 1512.