Whitehead, Alfred North,  1861-1947. <br/><br/>
Principia mathematica:  to *56/ 
by Alfred North Whitehead and Bertrand Russell. 
 - Pbk. ed. 
 - London:  New York:  University Press,  1967. 
 - 410 p.;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics---Philosophy.<br/>Logic, Symbolic and mathematical.
<br/><br/><label>Dewey Class. No.: </label>511.3  / W592p