闽语
In the 1840s, Medhurst collaborated with John Stronach, Elijah Coleman Bridgman, and William Charles Milne translating the (1847) "Delegates Version" of the Bible in Chinese. Medhurst, Elihu Doty, and John Van Nest Talmage developed the Pe̍h-ōe-jī Church Romanization of Southern Min Chinese that was widely used by missionaries.