Sumner, W L <br/><br/>
Progress In Science 

 - Oxford  Basil Blackwell  1947 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural Sciences--Physics--Science
<br/><br/><label>Dewey Class. No.: </label>500  / SUM-P