Riccardo I di Aversa (Italian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Riccardo I di Aversa" in Italian language version.

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Global rank Italian rank

6^th place

8^th place

archive.org

Elisabeth M C Van Houts, The Normans in Europe, Manchester, New York, Manchester University Press, 2000, p. 299.
Einar Joranson, The Inception of the Career of the Normans in Italy: Legend and History, in Speculum, vol. 23, n. 3, luglio 1948, p. 389.