""A Discourse Delivered Before The Pilgrim Society, At Plymouth, On December, 22, 1829"" is a book written by William Sullivan and published in 1830. The book contains a speech that Sullivan gave before the Pilgrim Society in Plymouth, Massachusetts on December 22, 1829. The speech focuses on the history of the Pilgrims, their journey to America, and the founding of Plymouth Colony. Sullivan discusses the challenges that the Pilgrims faced, including...