Idea and essence in the philosophies of Hobbes and Spinoza - Balz, Albert G. A. (New York : AMS Press, 1967)
Published also as thesis (Ph. D.) Columbia University, 1916.
" Reprint of 1918 edition."
Keywords: Hobbes, Thomas, -- 1588-1679.; Spinoza, Benedictus de, -- 1632-1677.