- Historical-critical comparison between Italian and Swedish architecture in the 19th and 20th centuries
- Social housing in 20th century Italy and Sweden
- Relationship between church and city in the 20th century
- Relationship between architecture and engineering in the 19th and 20th centuries
- Industrial architecture in Italy with particular reference to the works of Gaetano Minnucci
- The collaboration between architects and engineers with particular reference to that between Gio Ponti and Pier Luigi Nervi
- Comparison of architecture and town planning in Italy and Sweden in the modern and contemporary age