^Handbook of Christianity in China: 1800 to the Present - Page 155 N. Standaert, R. G. Tiedemann - 2009 "The American Board would also see its ranks and its presence in China expand during this first treaty port period. ... In 1847 Stephen Johnson 詹思文(1803–1886) entered the city. He had been one of the ABCFM missionaries who had worked ..."
^Obituary record Amherst College - 1874 (correct?) "STEPHEN JOHNSON, the son of Stephen and Lydia (Larued) Johnson, was born in Griswold, Conn., April 15, 1803, ... From 1847 to 1853, he was at Foochow, China. After his return home he preached as his health would permit until 1862, when he removed to Gouverneur, New York, where he engaged in gardening, and there resided until his death, which was occasioned by the fracture of one of his legs,"