The existence of colophons can be dated back to antiquity. This is a breakdown of Genesis into 'tablets' delineated by colophons according to Wiseman's theory. The colophons accompanying each poem name a total of eleven thinais. The Kridakhanda is also called the Uttarakhanda () in the colophons. Anthony Hanson-Barber provided the first title and colophons catalog of this collection. Colophons can be categorized into four groups. In Great Britain colophons grew generally less common in the 16th century. He is mentioned as "natar kursya" in colophons of 1550, May 1552 and June 1554. Positionally, colophons on ancient tablets are comparable to a signature line in modern times. It comprises 2000 pages in five volumes complete with footnotes and colophons. In its earliest colophons, "Wired" credited Canadian media theorist Marshall McLuhan as its "patron saint".