/Dear LFG community,/ /We, the organizers of the //*30th International Conference on Head-Driven Phrase Structure Grammar*, //would be grateful if you could circulate the call for papers within your community and encourage members to submit their work. / _Submission Deadline: 24-Feb-2023_ The 30th International Conference on Head-Driven Phrase Structure Grammar will be held in a hybrid format on 07 July - 08 July 2023 at the University of Massachusetts Amherst, the venue of the LSA Linguistic Institute 2023. Abstracts are invited that address linguistic, foundational, or computational issues relating to or in the spirit of the framework of Head-Driven Phrase Structure Grammar. **Conference Format** The HPSG 2023 conference will be a two-day main conference (07 July - 08 July), which will be followed by a one-day (09 July) workshop on ellipsis (Experimental and Corpus-based Approaches to Ellipsis), which will be announced separately. **Invited speakers**    Emily Bender    Jean-Pierre König **Submissions** We invite anonymous submissions to the main HPSG Conference: Papers should be 4 pages long, + 1 page for data, figures & references. They should be submitted in PDF format. The submissions should not include the authors’ names, and authors are asked to avoid self-references. Please specify whether you intend to present your paper in person, online, or haven’t decided yet. All abstracts should be submitted in via Easychair: https://easychair.org/conferences/?conf=hpsg2023 All abstracts will be reviewed anonymously by at least two reviewers. Accepted papers are expected to give a 30-minute presentation. Additionally, 10 minutes are reserved for discussion. A call for contributions to the proceedings will be issued after the Conference. Proceedings of previous conferences are available at: https://proceedings.hpsg.xyz/issue/archive. **Important Dates** Abstract submission deadline: 24 February 2023 (anywhere on earth) Notifications of acceptance: 17 April 2023 Conference proceedings submission: 15 October 2023 **Venue** The HPSG 2023 Conference will take place at the University of Massachusetts Amherst, the venue of the LSA Linguistic Institute. **Local Organizing Committee Chairs** Gabriela Bîlbîie (University of Bucharest) Fabiola Henri (University at Buffalo) **Program Committee Chair** Elodie Winckel (Friedrich Alexander University Erlangen-Nuremberg) **Contact information** For general questions, please contact the Program Committee Chair Elodie Winckel (hpsg2023@easychair.org). For questions about the logistics of the conference, please contact the local organizers (Gabriela Bîlbîie and Fabiola Henri) at hpsg2023@gmail.com. -- Elodie Winckel Friedrich-Alexander Universität Erlangen-Nürnberg Research Training Group “Dimensions of constructional space” Schillerstr. 25, 91054 Erlangen (Germany) Room 00.015