SDH - Superstition - Dog-Headed Men

3 Accounts - Dog-Headed Men - Marco Polo, Ibn Battuta, Mandeville - VoP > .
Do the Dog-Headed Men Have Souls? - Letter from 9th Century Monk - VoP > .

Somewhere in the distant seas past India, these three famous explorers from completely different backgrounds came across [claims of?] a race of men called the Cynocephaly: a remarkable people with the "heads of dogs".

Though Sir John Mandeville's account (and very existence) is heavily questioned by historians, quite what brought the otherwise reliable Marco Polo and Ibn Battuta to corroborate the ancient legends of the Dog-Headed Men is less clear...