Daniel de Nessel in his Catalogus Bioliothecae Caesaraeae,
pars iv. p. 77, fol. Vienna, 1690, describes a Greek MS. in that library as containing Simeonis Grammatici Etymologicon :
the work is arranged in alphabetical order and has never been published. The MS. which was torn and imperfect, is not noticed, so far as we have been able to trace, by Kollar, in his edition of the Commentarius
Fabric. Bibl. Graec.
vol. vi. pp. 379, 604.