- Advances in Algorithms, Languages, and Complexity. 1997.
- Gheorghe Paun, Arto Salomaa, editors, New Trends in Formal Languages - Control, Cooperation, and Combinatorics (to Jürgen Dassow on the occasion of his 50th birthday). Volume 1218 of Lecture Notes in Computer Science, Springer, 1997.
- Jan Mycielski, Grzegorz Rozenberg, Arto Salomaa, editors, Structures in Logic and Computer Science, A Selection of Essays in Honor of Andrzej Ehrenfeucht. Volume 1261 of Lecture Notes in Computer Science, Springer, 1997.
- Advances in Algorithms, Languages, and Complexity. 1997.
- Christian Freksa, Matthias Jantzen, Rüdiger Valk, editors, Foundations of Computer Science: Potential - Theory - Cognition, to Wilfried Brauer on the occasion of his sixtieth birthday. Volume 1337 of Lecture Notes in Computer Science, Springer, 1997.
- Ding-Zhu Du, Ker-I Ko, editors, Advances in Algorithms, Languages, and Complexity - In Honor of Ronald V. Book. Kluwer, 1997.