1. The Blueprint for Modernity Database. Making Sense of Different Levels of Structure in the Engineering Profession, 1870-1930 • Ted Beatty, University of Notre Dame; Israel Garcia Solares, IIMAS, UNAM.

2. Examining the Shifting Settlement Geography of California’s Native Peoples • Steven Hackel, University of California, Riverside; Erik Steiner, University of Oregon; Mary Casey, University of California, Riverside.

3. Atlas.Mx: Developing Common Practices and Sharing Data to Map Mexico • Juliette Levy, UC Riverside; Casdey Lurtz, Johns Hopkins University; Michael Bess, Centra de investigacion y Docencia Economica.

4. The Economic Geography of the Guarani-Mission Urban System in Colonial Spanish America • Caterina Pizzigoni, Columbia University; Gergely Baics, Barnard College.