1. The Metaphysics of Space-Time Substantivalism;Hoefer;The Metaphysics of Space-Time Substantivalism,1996
2. What Price Spacetime Substantivalism? The Hole Story;Earman;What Price Spacetime Substantivalism? The Hole Story,1987
3. Lambda: The Constant That Refuses to Die;Earman;Lambda: The Constant That Refuses to Die,2001
4. Energy Conservation in GTR;Hoefer;Energy Conservation in GTR,2000