The best set of Hamilton's classic collection I recall seeing. These were published individually and are quite sought, often taking some rather serious effort to obtain all four volumes.

The four volumes include the great preachers and devotionalists of the Church, from John Wycliffe to George Herbert, John Owen, Richard Baxter, John Wesley, and more. 

Hamilton, James [Ed.]. Our Christian Classics: Reading from the Best Divines, with Notices Biographical and Critical. Vol. I-IV. London. James Nisbet and Co. 1866. 424pp. + 424pp. + 424pp. + 420pp.

A good + set, bound in leather. Some minor to moderate rubbing as shown, generally solid, with only some light scattered foxing. One volume is half leather rather than full and with slightly different marbling to the foredges, though it looks identical on the shelf.