In fact, many of the supposed "inaccuracies" were actually adopted by DeMille from extra-biblical ancient sources, such as Josephus, the Sepher ha-Yashar, and the Chronicle of Moses.

The length of the crucifixion darkness described by biblical and extra-biblical sources was more than a full order of magnitude for the totality of solar eclipses.

Festive meals were held only from time to time, but they are the ones recorded by biblical and extra-biblical sources.

The book is considered the classic and comprehensive work in reckoning the accession of kings, calendars, and co-regencies, based on biblical and extra-biblical sources.

Subsequent Israelite kingdoms and states ruled intermittently over the next four hundred years, and are known from various extra-biblical sources.

Examples of the use of authentein in extra-biblical sources have been provided by Catherine Kroeger:

Hilkiah in extra-biblical sources is attested by the clay bulla naming a Hilkiah as the father of an Azariah, and by the seal reading "Hanan son of Hilkiah the priest".

The term has not been found in biblical or extra-biblical sources for any tribe or nation other than Abraham and his descendants.

In a few of the many extra-biblical sources that describe him, Shem is also credited with killing Nimrod, son of Cush.

Scholars also use extra-biblical sources to interpret the Bible, and they got to the same place.