=== その他 ===
ホメロスとオルフィスの『パーン賛歌』は、パーンがエーコーの秘密の声を追いかけて山を越えるというロンゴスの物語を繰り返している<ref>Hesiod and Homer, Translated by Hugh. G. Evelyn-White (2008). ''Hesiod, the Homeric Hymns, and Homerica''. Digireads.com. Homeric Hymn XIX. To Pan, p.127. ISBN:1420930753</ref><ref>Orpheus, Translated by Thomas Taylor (2013). ''The Mystical Hymns of Orpheus''. Old Book Publishing Ltd. Orphic Hymn XI. To Pan, page 35. ISBN|:781071381</ref>。
Both the [[Homeric Hymns|Homeric]] and [[Orphic Hymns]] to Pan reiterate Longus’ tale of Pan chasing Echo's secret voice across the mountains.<ref>[[Hesiod]] and [[Homer]], Translated by Hugh. G. Evelyn-White (2008). ''Hesiod, the Homeric Hymns, and Homerica''. Digireads.com. Homeric Hymn XIX. To Pan, p.127. {{ISBN|1420930753}}</ref><ref>[[Orpheus]], Translated by Thomas Taylor (2013). ''The Mystical Hymns of Orpheus''. Old Book Publishing Ltd. Orphic Hymn XI. To Pan, page 35. {{ISBN|1781071381}}</ref>
Codex 190 of [[Photios I of Constantinople|Photius']] ''[[Bibliotheca (Photius)|Bibliotheca]]'' states that Pan's unrequited love for Echo was placed there by [[Aphrodite]], angry at his verdict in a beauty contest.<ref>[[Photios I of Constantinople|Photius]], Translated by René Henry (2003). ''Bibliothèque: Tome III: Codices 186-222''. Les Belles Lettres. Codex 190. {{ISBN|2251322221}}</ref>