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

 - Oxford  Basil Blackwell  1946 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics--Physics--Natural Sciences
<br/><br/><label>Dewey Class. No.: </label>530  / SUM-P