Rentoul’s Library of Standard Bible Expositions includes:1. Ralph Wardlaw,Lectures: Expository and Practical, on the Book of Ecclesiastes(1868)2. Alexander Moody Stuart,The Song of Songs: An Exposition of the Song of Solomon(1869)3. George Lawson,Practical Expositions of the Whole Books of Ruth and Esther(1870)“W.S. [Rentoul]. An odd-looking character, a Scotchman by birth, and a good type of the old curiosity monger. He is lean and lanky in personal appearance, and always very frowsy-looking about the head. He has a fine collection of old Presbyterian books, and is located in the second story on Sixth street above Market. I understand he came here from Pittsburgh. He has been in this city selling old Presbyterian books for over thirty years, but is known only by that class of book-buyers. He is of the old blue-stocking type, which is now becoming rare. I presume that from his long experience he know every book of note in the literature he sells, from John Knox to the Old Covenanters of to-day. He is known to few collectors of books, as he deals only in those mentioned.” — W. Brotherhead,Forty Years Among the Old Booksellers of Philadelphia, With Bibliographical Remarks(1891), pp. 57-58
