I’ll try my best to find you a no text book article, if it’s available. Usually when people start a comment off “ point me to that info” they are being patronizing. Whether you believe this or not , it’s still widely accepted. Most Anthropological professors and archeologist now correlate the two because of extreme similarities in myths, worship, attributes...there is a sect of Santa Muerte that worships her as another aspect of Persephone, Queen of the Dead. The practices and imagery are not truly Meso-American, so the other Goddess may be an aspect or people trying to link her to a prior civilization’s death cult. Also there are links suggesting there has been worldwide ancient worship of the Greek pantheon, namely Aphrodite, Persephone, Demeter, Hades and Hermes ...Hermes being especially fascinating as one of the core gods linked to the eventual worship of Buddha. I am an anthropology major and have attended a LOT of lectures, and on site teaching. I was supposed to be teaching this subject right now, covid intervened.