Spencer,Edger Winston <br/><br/>
Basic Concepts of Historical Geology/ 
by Edger Winston Spencer 
 - New Delhi:  Oxford & IBH Publishing Co.,  1962. 
 - 499p. 
<br/><br/> With drawings by Elizabeth Humphris Spencer.<br/> 
<br/><br/>Part 1.Time and Rock Record--<br/>Part 2.The Present is a Key to the Past--<br/>Part 3.The Dawn of earth History--<br/>Part 4.The Living and The Dead--<br/>Part 5.Exploring The Past--<br/>Part 6.Evolution--<br/>Part 7.evolution of the Animals with Backbones. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Paleontology	<br/>Geology, Stratigraphic	
<br/><br/><label>Dewey Class. No.: </label>551.7  / SPE/B