Robinson, Howard. "Berkeley." Ed. E. P. Tsui-James. The Blackwell Companion to Philosophy. Ed. Nicholas Bunnin. 2nd ed. Oxford: Blackwell, 2003. 694-700. Print. | Robinson, Howard. "Berkeley." Ed. E. P. Tsui-James. The Blackwell Companion to Philosophy. Ed. Nicholas Bunnin. 2nd ed. Oxford: Blackwell, 2003. 694-700. Print. |