Mordecai Yarnall, Philadelphia, correspondence, 1803-01 - 1803-02

Correspondence largely with his sister, Rebecca, and Martha Houston. Mordecai Yarnall visited Lancaster County and became acquainted with Martha Houston with whom he engaged in an active correspondence until her marriage in 1806, much on literary topics. She was the daughter of Dr. John Houston and Susanna Wright Houston of Columbia, Lancaster County. She married Joseph Mifflin under the care of Sadsbury Monthly Meeting in 1806. Another close friend was Lloyd Mifflin.