Rogers, Edward Thomas. "Glass, As a Material for Standard Coin Weights," NC N.S. 13 (1873)., p.71, no.72, sim to Lane-Poole, Stanley. Catalogue of Arabic Glass Weights in the British Museum. 376G, type Petrie, Sir Flanders. Glass Stamps and Weights 681
Launois, Aimee. "Estampilles et poids faibles en verre Omedyyades et Abbassides au Musee Arabe du Caire, "Melanges Islamogiques 3 (1975) 126, Rogers, Edward Thomas. "Glass, As a Material for Standard Coin Weights," NC N.S. 13 (1873). p.72, no. 83