1 Petrie, Prehistoric Egypt Corpus, C 70M and D 47G. Both pots are in the Petrie Collection at University College, London.
2 Ancient Egypt, 1933, pp. 1–14 and 65–75, and Figs. 47–52.
3 ANTIQUITY XXXII, pi. xxia.
4 Frankfort, Cylinder Seals, pl. vie; Contenau, , Manuel d’Archéologie orientale 4,Google Scholar Figs. 1084 and 1086.
5 Annales de Service, LIV (1957), pp. 239–240.
6 New Light on the Most Ancient East (1952 ed.), Fig. 40 (not Fig. 51, to which Dr Barnett refers).