Duckworth, Gerald

Hermes Trismegistus.The way of Hermes. Translated by Clement Salaman, Dorine van Oyen, William D. Wharton and Jean-Pierre Mahe. London Gerald Duckworth Co, 1999. 124p. 

Hermes Trismegistus.The way of Hermes The corpus hermeticum / translated by Clement Salaman, Dorine van Oyen William D. Wharton— The definitions of Hermes Trismegistus to Asclepius / translated by Jean-Pierre Mahe. Translated by Clement Salaman, Dorine van Oyen, William D. Wharton and Jean-Pierre Mahe. London Gerald Duckworth Co, 1999 reprint, Rochester (VT) Inner Traditions, 2000. 

Barraclough, K. C., Steelmaking 1850-1900, The Institute of Metals, London, 1990, 39,127. Dermis, W. H., A Hundred Years of Metallurgy, Gerald Duckworth, London, 1963, 98. 

Dennis, W. H., A Hundred Years of Metallurgy, Gerald Duckworth, London, 1963, 192. 

Gordon, W. M. and O. F. Robinson. 2001. The Institutes of Gaius. London Gerald Duckworth Co. 

---