He also published anonymously, in conjunction with Justus Olshausen (1800–1882), "Fragments relatifs à la religion de Zoroastre" (Paris, 1829); "Confucii Chi-king sive liber carminum, ex latina P. Lacharmi interpret atione" (Stuttgart, 1830); and an edition of "Y-King, Antiquissimus Sinarum liber, ex interpretatione P. Regis" (Stuttgart, 1834–1839).
Автор трудов о Заратустре, Конфуцие* Lettres de M. Botta sur les découvertes à Khorsabad (1845);* Fragments relatifs à la religion de Zoroastre (Paris, 1829);* Confucii Chi-king sive liber carminum, ex latina P. Lacharmi interpret atione (Stuttgart, 1830);* Y-King, antiquissimus sinarum liber, ex interpretatione P. Regis (Stuttgart, 1834—1839).