He also composed and published his own Gaelic Attempts in Verse (1807) and Metrical Effusions (1816), and contributed greatly to the 1828 Gaelic–English Dictionary.
Također je napisao i izdao vlastitu Gaelic Attempts in Verse (1807) i Mettrical Effusions (1816), te je uvelike pridonio gaelsko-engleskom riječniku iz 1828.