SCIENTIFIC AND TECHNICAL SOCIETIES 



OF THE 

 UNITED STATES AND CANADA 



SEVENTH EDITION 



Part I 



Scientific and Technical Societies of the United States 



Compiled in the Library 



NATIONAL ACADEMY OF SCIENCES— 

 - NATIONAL RESEARCH COUNCIL 



Part II 

 Scientific and Technicfd Societies of Canada 



Compiled in the Public Relations Office 

 NATIONAL RESEARCH COUNCIL, CANADA 



Publication 900 

 National Academy of Sciences — National Research Council 



Washington, D. C. 

 1961 



