Thomas K. Hubbard(en), The Pipes of Pan (1998) p. 151 & 161f. ; Niall W. Slater, Calpurnius and the Anxiety of Virgilian Influence: Eclogue I. Syllecta Classica 5 (1994) p. 73
Thomas K. Hubbard(en), The Pipes of Pan (1998) p. 176, note 55; Charles Haines Keene (1887) The Eclogues of Calpurnius Siculus and M. Aurelius Olympius Nemesianus p. 197ff