Speaking to INSIDER, the professor also pointed out one scanned page from the Psi Rho manual, which includes the lyrics to a song called 'Yo-Ho.' In one particularly unnerving image, brothers can be seen carrying a pledge in a coffin for an initiation ceremony. Throughout 'The American Fraternity,' Moisey's contemporary shots highlight the lasting ritualistic nature of modern Greek letter organizations. The manual outlines the organization and history of a fraternity called the 'Secret Order of Psi Rho.' It includes, among other things, an initiation ritual, a drinking ritual, and a candle ceremony - all described in extensive detail. The book was found on the floor of the unnamed fraternity's house.