Descriptions of this earthquake may have influenced earthquake accounts in Biblical apocrypha and pseudepigrapha. Other non-canonical apocryphal texts are generally called pseudepigrapha, a term that means "false attribution". Lactantius quoted the Sibyls extensively (although the Sibylline Oracles are now known to be pseudepigrapha). "Jubilees" is considered one of the pseudepigrapha by Protestant, Roman Catholic, and Eastern Orthodox Churches. Historical linguistics are often an effective method to expose modern pseudepigrapha. Such falsely attributed works are known as pseudepigrapha. "The Old Testament Pseudepigrapha", Darton, Longman & Todd, London 1983. There is also a category of modern pseudepigrapha. The reference to the fall of the angels is drawn from pseudepigrapha. There have probably been pseudepigrapha almost from the invention of full writing.