Volume 35A of Research in the History of Economic Thought and Methodology features a symposium on historical epistemology. An internationally renowned cast of contributors offers a variety of perspectives on one of the major approaches in empirical philosophy of science and the historiography of economic thought.

Volume 35B of Research in the History of Economic Thought and Methodology features a symposium on the economics of Piero Sraffa, guest edited by Scott Carter and Riccardo Bellofiore. It also features general research contributions from Masazumi Wakatabe, and co-authors Eugene Callahan and Andreas Hoffman.

Volume 36A of Research in the History of Economic Thought and Methodology featuresa symposium on Bruce Caldwell's BeyondPositivism after 35 years. The volume also featuresgeneral-research essays from Luis Mireles-Flores and Alain Marciano. LucaFiorito presents a new discovery from the archives.

Volume 39A of Research in the History of Economic Thought and Methodology features a selection of essays presented at the 2019 Conference of the Latin American Society for the History of Economic Thought (ALAHPE), edited by Felipe Almeida and Carlos Eduardo Suprinyak, as well as a new general-research essay by Daniel Kuehn, an archival discovery by Katia Caldari and Luca Fiorito, and a book review by John Hall.