J Story, J Bunbury, A. C Felici, G Fronterotta, M Piacentini, Ch Nicolais, D Scacciatelli, S Sciuti, and M Vendittelli (2005)
Charlemagne's black marble: the origin of the epitaph of Pope Hadrian I
Papers of the British School at Rome, vol. 73 p. 157-190.
15096, 144, 124, 143, 166, N, Ht, SYNDIN, SYNAM, V, Tn, F, PIERRE
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