Bromo, Francesco. “Elections, Governments, Heads, and Legislatures in Italy 1720-2021”. Quaderni dell’Osservatorio elettorale QOE - IJES  (March 14, 2022): Research Notes 2, 1-7. Accessed December 9, 2022. https://oaj.fupress.net/index.php/qoe/article/view/11332.