Contributions to encyclopaedias, dictionaries, etc.

"Nekropolen. New Kingdom" and "Late Period". In: Lexikon der Ägyptologie, iii, 427-9. [23]

"Sais". In: Lexikon der Ägyptologie, v, 355-7. [36]

"Saqqara. First Intermediate Period", "Middle Kingdom" and "New Kingdom". In: Lexikon der Ägptologie, v, 409-12. [37]

"Tell el-Belamun". In: Lexikon der Ägyptologie, vi, 319-21. [46]

"Tell Tibilla". In: Lexikon der Ägyptologie, vi, 354. [47]

"Stewart, William Arnold". In: C. S. Nicholls (ed.), The Dictionary of National Biography. Missing Persons Oxford: Oxford University Press. 1993. Pp. 663-4. [95]

"Abu Ghurab", "Epigraphers", "Colossal statue", "Old Kingdom statuary", "First Intermediate Period statuary", "First Intermediate Period relief". In: J. Turner (ed.), The Dictionary of Art, London: Macmillan Publishers Limited, 1996. [124]
"The Old Kingdom (c. 2686-2125 BC)". In: I. Shaw (ed.), The Oxford History of Ancient Egypt, Oxford University Press, 2000. [150]

"Palette of King Narmer" and twenty-nine other entries in 30,000 Years of Art: The story of human creativity across time and space, London: Phaidon, 2007, ISBN 978 0 7148 4789 4. [188]