sentences:  Thereafter, he produced several volumes in that language for the edification of the people.He established a printing press at Urmia, and used it to produce several works, eighty of which Perkins himself either translated or wrote.These included a magazine "Rays of Light", which was devoted to "Religion, Education, Science, Missions, Juvenile Matters, Miscellany and Poetry", and which would continue to be produced until his death.