Tillich, Paul 1886-1965.
Systematic theology /
Paul Tillich 
. - Chicago : University of Chicago Press,  1975- 
. - v.  23 cm. 
<br/> V. 1. Reason and revelation.  <br/>   V. 2. Existence and the Christ.  <br/>   V. 3. Life and the spirit ; History and the kingdom of God. <br/>