Marett 's analysis of the history of religion was presented in The Threshold of Religion ( 1909 ) .
Marett 's analysis of the history of religion was was refined in Anthropology ( 1912 ) , and Psychology and Folklore ( 1920 ) .
Marett 's analysis of the history of religion was presented in The Threshold of Religion ( 1909 ) , and was refined in Anthropology ( 1912 ) , and Psychology and Folklore ( 1920 ) .