Salvatelli, L. . “Anno Ab Incarnatione Domini Nostri MLXVI”: A Note about Halley’s Comet in Viterbo’s Archbishop Library Collection . 369. W Collecting Antiquities from the Middle Ages to the End of the Nineteenth Century: Proceedings of the International Conference Held on March 25-26, 2021 at the Wrocław University Institute of Art History; Kubala, A. ., Red.; Wydawnictwo Księgarnia Akademicka: Poland, 2021; s. 369-381. https://doi.org/10.12797/9788381385862.17.