1. R. Book, Confluent and other types of Thue systems, J. Assoc. Comput. Mach., to appear.
2. R. Book, The undecidability of a word problem: on a conjecture of Strong, Maggiolo-Schettini, and Rosen, Info. Proc. Letters, to appear.
3. R. Book, M. Jantzen, and C. Wrathall, Monadic Thue systems, Theoret. Comp. Sci., to appear.
4. R. Book and C. Ó'Dúnlaing, Testing for the Church-Rosser property, Theoret. Comp. Sci., to appear.
5. A. Ehrenfeucht and G. Rozenberg, On the emptiness of the intersection of two DOS-languages problem, Info. Proc. Letters 10 (1980), 223–225.