Cambridge studies in English legal history.
Yale university, 1929, Ph. D. without thesis note. "The Summa magna was composed by Hengham sometime after 20 November, 1272, and before 15 April, 1275 ... The Summa parva was not written for over a decade later, sometime after 25 March, 1285, and probably before 2 April, 1290." cf. Introd. "Extant mss. of the Summa magna and Summa parva": p. lxxiii-lxxviii. "Appendix B: The bibliography of the printed editions of the text edited by John Selden": p. -79.
KD600 .H4 1932
Summa magna. Summa parva.
Cambridge [Eng.] : The University press, 1932.