Flora of Turkey and the East Aegean Islands - Davis, P. H. (Peter Hadland); Cullen, J. (James); Coode, M. J. E. (University Press, 1965)
Vol. 11- edited by A. Güner and others. English language edited by Ian C. Hedge.
"The main aim of this volume is to gather together all new data on Turkish vascular plants published since the first supplement, vol. 10, 1988" - Introduction, 2nd supplement, vol. 11.