Center for the Study of Language and Information (CSLI)
- Head-Driven Phrase Structure Grammar (HPSG) research at Stanford University. People, research, publications, mailing list, links.
- http://www-csli.stanford.edu/

Overview and Some Work in Progress
- Transcript of a 1996 talk by Carl Pollard, detailing the state of HPSG theory at that time.
- http://utkl.ff.cuni.cz/~rosen/public/pollard_talk2.txt

HPSG and Grammar Engineering
- Links to projects, meetings.
- http://www.coli.uni-sb.de/~hansu/hpsg.html

Electronically available papers of Detmar Meurers
- Several HPSG papers, and other related areas.
- http://www.sfs.nphil.uni-tuebingen.de/~dm/papers.html

HPSG 2001
- Conference organized by the Center for the Study of Language and Information and held in Trondheim, Norway. Schedule, program, abstracts, some downloadable papers.
- http://www.ling.hf.ntnu.no/HPSG2001/

ALE: The Attribute-Logic Engine
- A freeware platform for building HPSGs. Current and past versions, documentation, sample grammars and related materials.
- http://www.cs.toronto.edu/~gpenn/ale.html

Phrase Structure Grammars for Natural Languages
- Project description.
- http://iridia.ulb.ac.be/Projects/phras.html

The Babel-System
- Implementation of an HPSG for German. Features online interface. Portions in German.
- http://www.dfki.de/~stefan/Babel/e_babel.html

HPSG Gazette
- Online newsletter.
- http://www.sfs.nphil.uni-tuebingen.de/~gazette/

Interactive Bibliography
- HTML and BibTex formats.
- http://www.dfki.de/lt/HPSG/

Ohio State University HPSG
- Conferences, resources, links.
- http://www.ling.ohio-state.edu/hpsg/

HPSG-L Archive
- Web-based archive of this listserv, with files dating back to 1999.
- http://listserv.linguistlist.org/archives/hpsg-l.html