With articles by Lawrence, Ohriner, Frederick, Poon, Willis, Blättler, Law, and Hannaford; review by Chiu.
With articles by Alcalde, Cairns, Hannan, London, Martin, Murphy, Rahn, Reenan, and Zeller; reviews by Barna and Duinker.
With articles by Sewell, Duinker, Stroud, Brody, Reuven, Horton; articles from the SMT 2019 Plenary session by Marvin, Ewell, Everett, Straus, and Hisama; and reviews by Farbood and Fulkerson.