Bulletin of the National Research Council 



Volume i 



Number i. The national importance of scientific and industrial re- 

 search. By George Kllery Hale and others. October, 1919. Pages 

 43. Price 50 cents. 



Number 2. Research laboratories in industrial establishments of the 

 United States of America. Compiled by Alfred D. Flinn. March, 

 1920. Pages 85. Price $1.00. 



Number 3. Periodical bibliographies and abstracts for the scientific 

 and technological journals of the world. Compiled by R. Cobb. 

 June, 1920. Pages 24. Price 40 cents. 



Number 4. North American forest research. Compiled by the Com- 

 mittee on American Forest Research, Society of American Foresters. 

 August, 1920. Pages 146. Price $2.00. 



Number 5. The quantum theory. By Edwin P. Adams. October, 

 1920. Pages 81. Price $1.00. 



Number 6. Data relating to X-ray spectra. By William Duane. 

 Pages 26. Price 50 cents. 



Number 7. Intensity of emission of X-rays and their reflection from 

 crystals. By Bergen Davis. Problems of X-ray emission. By David 

 L. Webster. (In press.) 



Number 8. Intellectual and educational status of the medical pro- 

 fession as represented in the United States Army. By Margaret V. 

 Cobb and Robert M. Yerkes. (In press.) 



Volume 2 



Number 9. Funds available in the United States of America for the 

 support of scientific research. Compiled by Callie Hull. (In press.) 



