Roberts, A. C., Stirling, J. A. R., Carpenter, G. J. C., Criddle, A. J., Jones, G. C., Birkett, T. C. and Birch, W. D., 1995: Shannonite, Pb2OCO3, a new mineral from the Grand Reef mine, Graham County, Arizona, USA

Roberts, A. C., Stirling, J. A. R., Carpenter, G. J. C., Criddle, A. J., Jones, G. C., Birkett, T. C. and Birch, W. D., 1995: Shannonite, Pb₂OCO₃, a new mineral from the Grand Reef mine, Graham County, Arizona, USA. Mineralogical Magazine, 59, 305-310.