Firenze, Biblioteca Laurenziana, Santa Croce IIIsin.6, fol. 97r

Stephan Kuttner and Antonio García y García,  "A New Eyewitness Account of the Fourth Lateran Council,"  Traditio 20 (1964) 115-178


 Lisbon, Biblioteca Nacional 173 (Alcobaça CCCIV), fol. 1ra
Fourth Lateran Council's canons with an "official" notice of the council that is found here and in many other chronicles and other sources.
20 Manuscripts of the Lateran Canons are extant that were sent to various recipients