He was the author of several Romanian language instruments, published under the aegis of the Romanian Academy ( including " Diccionarul limbii rom�ne "-" Dictionary of the Romanian Language ", " Micul Diccionar Academic "-" Concise Dictionary of the Academy " and " �ndreptar ortografic, ortoepic _ i de punctuacie "-" Guide to Orthography, Orthoepy and Punctuation " ).
12.
In 1870 he became a lecturer on philology at Queen's College, Kingston, Ontario; and in 1881 he moved to Washington, D . C . at the suggestion of his son Graham, where he devoted himself to the education of the deaf by the use of Visible Speech in which the alphabetical characters of his linguistic invention were representative graphic diagrams for the various positions and motions of the lips, tongue, mouth, etc . . ., as well as other methods of orthoepy.
