Can History Predict the Future? - The Atlantic
https://www.theatlantic.com/magazine/archive/2020/12/can-history-predict-future/616993/Dynamics of political instability in the United States, 1780–2010
https://journals.sagepub.com/doi/abs/10.1177/0022343312442078We're on the verge of breakdown: a data scientist's take on Trump and Biden | US politics | The Guardian
https://www.theguardian.com/us-news/2021/jan/17/were-on-the-verge-of-breakdown-a-data-scientists-take-on-trump-and-biden“The Mad Prophet of Connecticut” – Peter Turchin
https://peterturchin.com/the-mad-prophet-of-connecticut/