Shishkin, Vladimir. “…The French King Wrote to Our Sovereign about Love: Henry III De Valois and the Emperors of Muscovy”. Quaestio Rossica 8, no. 3 (September 2, 2020): 939–962. Accessed February 27, 2024. https://qr.urfu.ru/ojs/index.php/qr/article/view/qr.505.