Reference edition:

E. Dickey, The Colloquia of the Hermeneumata pseudodositheana, II, Cambridge 2012-2015, pp. 3-80.

The Colloquium Harleianum cannot be traced back in a more or less complete way to any of the known or extant Hermeneumata.  The work has primarily come down to us through ms. London, British Library, Harley 5642 (9^th-10^th c.).  Important fragments of it are found in papyrus Prag. II 118 (4^th/5^th c.), while a now-lost testimonium allowed Claude Saumaise (Claudius Salmasius) to gather other parts of it in the 17^th c. (now ms. Paris, Bibliothèque Nationale, lat. 7683).  In 2015, Eleanor Dickey published a critical edition of the text accompanied by an English translation and commentary.  [P. Gatti; tr. C. L. Caterine].