1. Logics of Business Placement in Mid-19th Century New York • Gergely Baics, Barnard College; Leah Meisterlin, Columbia University.

2. Spatial Analysis of Regional Political-Systems Network • Hiroko Inoue, University of California, Riverside; Chris Chase-Dunn, University of California, Riverside.

3. Modelling Geohistorical Accessibility in the Long Run: The Growth of the Waterway’s Network • Christophe Mimeur, CY Cergy Paris University; Thomas Thevenin, ThéMA - University of Bourgogne Franche Comté; Patrick Mille, ThéMA - University of Bourgogne Franche Comté; Isabelle Seguy, Institut National d'Études Démographiques (INED).

4. Urbanization and the Production of Durable Political Inequality • Robert Vargas, University of Chicago.