"The most important of these MSS is one that was quite unknown a few years ago, and has now been examine and partly edited for the first time: the Royal MS II. B. XIV of the British Museum." Edited and explained by Hermann Kantorowicz, with the collaboration of William Warwick Buckland. Contents: The Royal MS II. B. XIV of the British Museum -- Irnerius and the earliest introduction to the law books -- Bulgarus -- Martinus -- Hugo -- Petrus -- Rogerius -- 'Summa trecentis" and 'Quaestiones de iuris subtilitatibus' -- Willielmus de Cabriano -- Anonymous writings of doubtful origin -- Opuscula. Magistri G. Notarum specimina. Exordia variorum auctorum. Opuscula Bulgari. Opuscula Martini. Hugonis de petitione hereditatibus summula. Petri exceptionum appendix Londoniensis, caput XVI. Opuscula Rogerii. Quaestionum de iuris subtilitatibus titulus postremus. Willielmi de Cabriano casuum codicis specimina. Opusculum incertorum auctorum.