Kurt Sethe: Urkunden des Alten Reichs (= Urkunden des ägyptischen Altertums. Abteilung 1). 1. Band, 4. Heft. 2., augmented edition, Hinrichs'sche Buchhandlung, Leipzig 1933, see p. 297-299, available online.
William C. Hayes: The Scepter of Egypt: A Background for the Study of the Egyptian Antiquities in The Metropolitan Museum of Art. Vol. 1, From the Earliest Times to the End of the Middle Kingdom , MetPublications, 1978, pp.136-138, available online
The fragments of the decrees on the catalog of the MET: fragment 1, 2 and 3.