The Proceedings of the 42st and 43rd Siouan and Caddoan Conferences are a combined conference volume that follows the meeting of the 42nd Siouan and Caddoan Languages Conference from May 27-29, 2022, which was held at the University of Virginia and the 43rd Siouan and Caddoan Languages Conference from May 26-28, 2023 at the University of Oklahoma. This volume was published December 30, 2025, in Norman, OK by the Siouan and Caddoan Languages Conference and edited by Ryan M. Kasak and Armik Mirzayan.

The papers are copyright of their original authors and are published under the Creative Commons Attribution 4.0 License (CC BY 4.0).

The proceedings volume can be downloaded in its entirety here, or by selecting a title of one of its individual papers listed below.