MAJOCCHI, Piero. Piero Majocchi, Sviluppo e affermazione di una capitale altomedievale: Pavia in età gota e longobarda, "Reti Medievali - Rivista", XI - 2010, 2. Reti Medievali [online]. Dostupné online. (latinsky)
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HALLENBECK, Jan T. Pavia and Rome: The Lombard Monarchy and the Papacy in the Eighth Century. S. 32. Transactions of the American Philosophical Society [online]. 1982 [cit. 2022-04-03]. Roč. 72, čís. 4, s. 32. Dostupné online. ISSN0065-9746. DOI10.2307/1006429.
HALLENBECK, Jan T. Pavia and Rome: The Lombard Monarchy and the Papacy in the Eighth Century. S. 35. Transactions of the American Philosophical Society [online]. 1982 [cit. 2022-04-03]. Roč. 72, čís. 4, s. 35. Dostupné online. ISSN0065-9746. DOI10.2307/1006429.
HALLENBECK, Jan T. Pavia and Rome: The Lombard Monarchy and the Papacy in the Eighth Century. S. 50. Transactions of the American Philosophical Society [online]. 1982 [cit. 2022-04-03]. Roč. 72, čís. 4, s. 50. Dostupné online. ISSN0065-9746. DOI10.2307/1006429.
HALLENBECK, Jan T. Pavia and Rome: The Lombard Monarchy and the Papacy in the Eighth Century. S. 51. Transactions of the American Philosophical Society [online]. 1982 [cit. 2022-04-03]. Roč. 72, čís. 4, s. 51. Dostupné online. ISSN0065-9746. DOI10.2307/1006429.
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NOBLE, Thomas F. X. The Republic of St. Peter: The Birth of the Papal State, 680-825. [s.l.]: University of Pennsylvania Press Dostupné online. ISBN978-0-8122-0091-1. S. 55. (anglicky)
The Cambridge Medieval History volumes 1-5. [s.l.]: Plantagenet Publishing Dostupné online. (anglicky)
HODGKIN, Thomas. Italy and Her Invaders. [s.l.]: Clarendon Press Dostupné online. (anglicky)
THEUWS, Frans; NELSON, Janet Laughland. Rituals of Power: From Late Antiquity to the Early Middle Ages. [s.l.]: BRILL Dostupné online. ISBN978-90-04-10902-5. S. 99. (anglicky)
jstor.org
HALLENBECK, Jan T. Pavia and Rome: The Lombard Monarchy and the Papacy in the Eighth Century. S. 32. Transactions of the American Philosophical Society [online]. 1982 [cit. 2022-04-03]. Roč. 72, čís. 4, s. 32. Dostupné online. ISSN0065-9746. DOI10.2307/1006429.
HALLENBECK, Jan T. Pavia and Rome: The Lombard Monarchy and the Papacy in the Eighth Century. S. 35. Transactions of the American Philosophical Society [online]. 1982 [cit. 2022-04-03]. Roč. 72, čís. 4, s. 35. Dostupné online. ISSN0065-9746. DOI10.2307/1006429.
HALLENBECK, Jan T. Pavia and Rome: The Lombard Monarchy and the Papacy in the Eighth Century. S. 50. Transactions of the American Philosophical Society [online]. 1982 [cit. 2022-04-03]. Roč. 72, čís. 4, s. 50. Dostupné online. ISSN0065-9746. DOI10.2307/1006429.
HALLENBECK, Jan T. Pavia and Rome: The Lombard Monarchy and the Papacy in the Eighth Century. S. 51. Transactions of the American Philosophical Society [online]. 1982 [cit. 2022-04-03]. Roč. 72, čís. 4, s. 51. Dostupné online. ISSN0065-9746. DOI10.2307/1006429.
worldcat.org
HALLENBECK, Jan T. Pavia and Rome: The Lombard Monarchy and the Papacy in the Eighth Century. S. 32. Transactions of the American Philosophical Society [online]. 1982 [cit. 2022-04-03]. Roč. 72, čís. 4, s. 32. Dostupné online. ISSN0065-9746. DOI10.2307/1006429.
HALLENBECK, Jan T. Pavia and Rome: The Lombard Monarchy and the Papacy in the Eighth Century. S. 35. Transactions of the American Philosophical Society [online]. 1982 [cit. 2022-04-03]. Roč. 72, čís. 4, s. 35. Dostupné online. ISSN0065-9746. DOI10.2307/1006429.
HALLENBECK, Jan T. Pavia and Rome: The Lombard Monarchy and the Papacy in the Eighth Century. S. 50. Transactions of the American Philosophical Society [online]. 1982 [cit. 2022-04-03]. Roč. 72, čís. 4, s. 50. Dostupné online. ISSN0065-9746. DOI10.2307/1006429.
HALLENBECK, Jan T. Pavia and Rome: The Lombard Monarchy and the Papacy in the Eighth Century. S. 51. Transactions of the American Philosophical Society [online]. 1982 [cit. 2022-04-03]. Roč. 72, čís. 4, s. 51. Dostupné online. ISSN0065-9746. DOI10.2307/1006429.