In old days they called themselves Fujimon School, Nikkomon School, and Taiseki-ji School, and even though they did not form a strong unified organization like that seen in the Jodo Shinshu (the True Pure Land Sect of Buddhism), they were connected loosely through personal and academic exchanges.
古くは富士門流・日興門流・大石寺派と称し、浄土真宗にみられるような強固な単一組織はつくらなかったが、人的交流、学問的交流を通じ、ゆるやかに結びついていた。