Because of the sudden and untimely death of Professor J.A. Boyle, President of the 21st meeting of the PIAC held in Manchester (England) in 1978, the Proceedings of that meeting were not published. However, six papers read in Manchester by respectively, B. Chichlo, R. Dankoff, E. Esin, A.J. Joki, E. Moerloose, and M.F. Weidlich, appeared in volume 4 (1980) of the Journal of Turkish Studies.
Oliver Corff, July 19, 2018.