M'Dowell, John. Fifty Years a Pastor: A Semi-Centenary Discourse, delivered in the Spring Garden Presbyterian Church, Philadelphia, December 31, 1854. Philadelphia: Joseph M. Wilson, 1855. First Edition.
Printed wrappers, edges to wrappers chipped, 6 x 9 1/2, pencil notations on front, 30 clean pp. Good. Pamphlet. 
Not in Roberts, however it is noted there that he contributed a letter to Sprague's Lectures on Revivals of Religion.
John McDowell (1780-1863), Presbyterian minister. The author gives a history of his life and ministry. He entered Princeton in 1799. Notices of Dr. Samuel Stanhope Smith, Dr. Henry Kollock (his brother-in-law), and many other ministers. He relates the unusual circumstances of his becoming the pastor of the Presbyterian church in Elizabeth-town New Jersey, in 1804; and the revivals in that place in 1807, 1812, 1817, and 1819, as well as seasons of increase in later years. The congregation grew from 207 in 1804 to 660 in 1820. Dr. M’Dowell was the pastor at Elizabethtown until 1833, when his ministry took him to Philadelphia, where he pastored churches.
Includes personal reflections on being a minister for fifty years.