Bibliographical sources:
Ælianus, quoting Theopompus in Bk.17 Ch.16 De Animalibus 206.10
Agatius is once mentioned on the map sheet
Antoninus is twice mentioned on the map sheet
Appianus : Annibalica 206.3
Aristoteles : Admiranda 206.10
Ausonius 206.2
Bonaventura, Castilleonius 206.10
Cassiodorus : Bk.12 Sect.24 Variar. 206.10
Cato : Origines 206.5
Catullus is once mentioned on the map sheet
Claudianus 206.7
Fulvius quoted by Smetius 206.20
Italicus, Silius : Bk.9 206.3
Justinianus, Augustinus 206.20
Liber notitiarm (Provinciarum) 206.3
Lipsius quoted by Smetius 206.20
Livius : Bk.18, 25, 28 Decades 206.3, Bk.45 206.2
Mela, Pomponius 206.8
Merula, Gaudentius 206.10
Ortelius is mentioned in the cartouche as the maker of this map, Ort206; further in map text : 206.12
Pigafetta, Filippo Decription of the river Po 206.10
Plautus is once mentioned on the map sheet
Plinius Maior is three times mentioned on the map sheet; further in texts 206.7, 206.9,
Plinius Minor : Letter to Junius Mauricus 206.9
Plutarchus is once mentioned on the map sheet; further in text: Life of Camillus 206.6
Polybius is once mentioned on the map sheet; further in texts 206.5, 206.6, : Bk.2 History 206.10
Procopius is once mentioned on the map sheet
Ptolemæus is once mentioned on the map sheet; further in text 206.4
Scepsius 206.9
Smetius citing Fulvius and Lipsius 206.20
Solinus 206.2
Strabo is three times mentioned on the map sheet, further in texts 206.7, : Bk.5 Geography 206.10
Stunica 206.12-21
Superantius, Franciscus from Venice is the person to whom Ortelius has dedicated this map, Ort206
Tacitus 206.4
Theopompus quoted by Ælianus in Bk.17 Ch.16 of his De Animalibus 206.10
Vergilius is once mentioned on the map sheet; further in text 206.7