- Antonis C. Kakas, Fariba Sadri, editors, Computational Logic: Logic Programming and Beyond, Essays in Honour of Robert A. Kowalski, Part II. Volume 2408 of Lecture Notes in Computer Science, Springer, 2002.
- Wilfried Brauer, Hartmut Ehrig, Juhani Karhumäki, Arto Salomaa, editors, Formal and Natural Computing - Essays Dedicated to Grzegorz Rozenberg [on occasion of his 60th birthday, March 14, 2002]. Volume 2300 of Lecture Notes in Computer Science, Springer, 2002.
- Antonis C. Kakas, Fariba Sadri, editors, Computational Logic: Logic Programming and Beyond, Essays in Honour of Robert A. Kowalski, Part I. Volume 2407 of Lecture Notes in Computer Science, Springer, 2002.
- Torben Æ. Mogensen, David A. Schmidt, Ivan Hal Sudborough, editors, The Essence of Computation, Complexity, Analysis, Transformation. Essays Dedicated to Neil D. Jones [on occasion of his 60th birthday]. Volume 2566 of Lecture Notes in Computer Science, Springer, 2002.