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").
German Ornithologists' Society The German Ornithologists' Society (German: "Deutsche Ornithologen-Gesellschaft" ) was founded in 1850, and is one of the world's oldest existing scientific societies. Its goal is to support and further scientific ornithology in Germany on all levels. It publishes the "Journal of Ornithology", founded in 1853.