He has written several books on the Ancient Hittites: his publication 'Hittite Diplomatic Texts' and 'Hittite Myths' were both republished twice—in 1991 and 1999 respectively.
Его книги «Hittite Diplomatic Texts» and «Hittite Myths» издавались дважды — в 1991 и в 1999 годах.