Recommended are also the books by and Steinitz, and Lasker.
CD: Collected Works of Wilhelm Steinitz
First World Chess Champion
The Modern Chess Instructor (Classic Chess) by Wilhelm Steinitz
The Games of Wilhelm Steinitz by Wilhelm Steinitz
See also the Manual of Chess, for a game Lasker vs. Steinitz
The Theories of Steinitz Exeter Chess Club: The Theory of Steinitz