Kelly, William. Lectures Introductory to the Study of the Gospels (3 volume set). Sunbury, PA: Believers Bookshelf, 1970. Reprint. 
Jacket title: "Introductory Lectures." Former library books, very good with dust jackets, clean texts, standard library markups. Very good. Hardcover.
A facsimile reprint of the 1873 second edition.
William Kelly (1821-1906), Northern Irish scholar and New Testament textual critic. Kelly was an advocate of the beliefs of the Plymouth Brethren. He authored books on the Bible, a critical edition of the Book of Revelation, and edited the Collected Writings of John Nelson Darby.