Chaffers, William. (1922). Hall marks on gold & silver plate. Reeves and Turner. Retrieved from 10.5479/sil.249531.39088006854251
Chaffers, William. Hall marks on gold & silver plate. 10th ed. Extended and enl., and with the addition of new date letters and marks, and a bibliography. Also incorporating makers' marks from the "Gilda, Reeves and Turner, 1922, 10.5479/sil.249531.39088006854251
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Chaffers, William. Hall marks on gold & silver plate. Reeves and Turner, 1922. doi: 10.5479/sil.249531.39088006854251