What year was the society, which released the songbook in which "Carol of the Old Ones" was published, founded in Colorado?
H. P. Lovecraft Historical Society The H. P. Lovecraft Historical Society or HPLHS is the organization that hosts Cthulhu Lives!, a group of live-action roleplayers for the "Cthulhu Live" version of "Call of Cthulhu". Founded in Colorado in 1984, it is now based in Glendale, California. Their motto is "Ludo Fore Putavimus" ("We thought it would be fun").
Philo-Celtic Society The Philo-Celtic Society (Irish: Cumann Carad na Gaeilge) is a North American society founded in 1873. Its aims are the promotion of the Irish language as a living tongue in America and throughout the world, and the re-establishment of the Irish language as the spoken language of Ireland with English as a supplement.