BRIGGS, WILLIAM <br/><br/>
THE ORGANIZER SCIENCE SERIES 
WILLIAMBRIGGS 
<br/><br/> Pr means Physics Relativity Page No. 471-472 in A-Z Accession Register (Accession No.Pr1-Pr36) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics Relativity
<br/><br/><label>Dewey Class. No.: </label>PR23