Robert D. Putnam, with Shaylyn Romney Garrett, The Upswing: How America Came Together a Century Ago and How We Can Do It AgainSimon and Schuster, 2020, 465 pp., ISBN: 978–1,982,129,156.

Engel JA(2008)The Democratic Language of American Imperialism: Race, Order, and Theodore Roosevelt’s Personifications of Foreign Policy Evil Diplomacy and Statecraft 19 671-689

Putnam RD(2007)E Pluribus Unum: Diversity and Community in the Twenty-first Century: The 2006 Johan Skytte Prize Lecture Scandinavian Political Studies 30 137-174

Engel JA(2008)The Democratic Language of American Imperialism: Race, Order, and Theodore Roosevelt’s Personifications of Foreign Policy Evil Diplomacy and Statecraft 19 671-689

Putnam RD(2007)E Pluribus Unum: Diversity and Community in the Twenty-first Century: The 2006 Johan Skytte Prize Lecture Scandinavian Political Studies 30 137-174