Palatinus Latinus 1447 is a computus and is assembled from several components, the earliest of which have been dated to around 813 and are shown by internal evidence to have been originally produced at the St. Alban's Abbey in Mainz.
[1] The Old Saxon material must have been written down later than an astronomical calculation dated to after 836, and the Genesis fragments are in three different hands which have been assigned on palaeographic evidence to the third quarter of the 9th century.
[6] His inference, made on metrical and linguistic grounds, was confirmed in 1894 when Karl Zangemeister, the professor of Classics at the University of Leipzig, found and identified the fragments on a visit to the Vatican Library.
[7] Photographs were made and the first edition of the Old Saxon poem, by Zangemeister with Wilhelm Braune and with an introduction by Rudolf Kögel, was completed by the end of the year.
[15][16] Although it has been suggested that the vision derives from a Germanic source—the relationship of the lord to his war-band or comitatus—the likeliest source appears to be Jewish apocryphal texts and the writings of Pope Gregory the Great[17] or other contemporary biblical interpreters,[18][19] including the Heliand.