Larrucea de Tovar, C., 1984, "José Celestino Mutis (1732-1808) and the report on American languages ordered by Charles III of Spain for Catherine the Great of Russia", Historiographia Linguistica 11, 1984, 213-229. Gako-hitzak: Karlos III.a; Mutis, Zelestino; Amerika; Hizkuntza