- Carol Peters, Nicola Ferro, editors, Working Notes for CLEF 2001 Workshop co-located with the 5th European Conference on Digital Libraries (ECDL 2001), Darmstadt, Germany, September 3-4, 2001. Volume 1167 of CEUR Workshop Proceedings, CEUR-WS.org, 2001.
- Carol Peters, editor, Cross-Language Information Retrieval and Evaluation, Workshop of Cross-Language Evaluation Forum, CLEF 2000, Lisbon, Portugal, September 21-22, 2000, Revised Papers. Volume 2069 of Lecture Notes in Computer Science, Springer, 2001.