1. Job Quality and Technological Change: Evidence from Two Industrial Revolutions • Benjamin Schneider, Oslo Metropolitan University; Robin Philips, UC Louvain.

2. The First Industrial Pension: Aging and Retirement in the Early 20th Century • Samuel Williamson, MeasuringWorth & Miami University; George Alter, University of Michigan.

3. Caterpillar’s Spatial Metamorphosis: Heavy Equipment Manufacturing in the Twenty First Century • Utkarsh Kumar, Illinois State University; Michael Dougherty, Illinois State University.

4. Decline in Aviation Patenting during World War I • Peter Meyer, Independent Scholar.