[1] The date of his death is not recorded, although his history mentions the death of archbishop George of Ravenna in 846; Oswald Holder-Egger cites a papyrus charter dated to either 854 or 869 that contains the name of a priest named Andreas of the Church of Ravenna, but there is no evidence to connect him with Andreas Agnellus.
[4] The LPR begins with Saint Apollinaris and ends with Georgius, the forty-eighth archbishop (died 846).
[3] Though the work contains "unreliable material" according to the article on Agnellus in the Catholic Encyclopedia, Thomas Shahan (the author of the article) states that the LPR is "a unique and rich source of information concerning the buildings, inscriptions, manners, and religious customs of Ravenna in the ninth century".
[3] Deliyannis notes that "two themes recur throughout the LPR: an anxiety for the rights of the clergy in the face of oppression by bishops, and a firm preference for the autocephaly of Ravenna, with a particular dislike of control of [the archbishopric of] Ravenna by the Roman pope".
[5] The Catholic Encyclopedia further comments that "in his efforts to be erudite he often falls into unpardonable errors.