Quantification in Natural Languages (Volumes I & II), E. Bach, E. Jelinek, A. Kratzer, and B.H. Partee, eds. - Jaap van der Does; Henk Verkuyl (J. Log. Lang. Inf., 1999)

Aspect in English: A Bulgarian Perspective. - Henk Verkuyl (J. Semant., 2001)

Georgian as the Testing-Ground for Theories of Tense and Aspect. - Henk Verkuyl (TbiLLC, 2005)