TY  - SER
AU  - Peacock,D.P.S.
TI  - Charlemagne's black stones: the re-use of Roman columns in early medieval Europe 
KW  - ANTROPOLOGIA
N1  - Antiquity 71 (1999): 709-715
N2  - What were the 'black stones' about which Charlemagne wrote to King Offa of Mercia just before AD 800? How do these special blocks fit into the broader pattern in re-using Roman columns in early medieval buildings?
ER  -