Reprint and Circular Series 



Number 1. Report of the Patent Committee of the National Research Council. Pre- 

 sented for the Committee by L. H. Baekeland, Acting Chairman. February, 1919. 

 Pages 24. Price $0.30. 



Number 2. Report of the Psychology Committee of the National Research Council. 

 Presented for the Committee by Robert M. Yerkes, Chairman. March, 1919. 

 Pages 51. Price $0.60. [Out of print] 



Number 3. Refractory materials as a field for research. By Edward W. Washburn. 

 January, 1919. Pages 24. Price $0.30. 



Number 4. Industrial research. By Frank B. Jewett. 1918. Pages 16. Price $0.25. 



Number 5. Some problems of sidereal astronomy. By Henry Norris Russell. Octo- 

 ber, 1919. Pages 26. Price $0.30. 



Number 6. The development of research in the United States. By James Rowland 

 Angell. November, 1919. Pages 19. Price $0.25. 



Number 7. The larger opportunities for research on the relations of solar and ter- 

 restrial radiation. By C. G. Abbot. February, 1920. Pages 15. Price $0.20. 



Number 8. Science and the industries. By John J. Carty. February, 1920. Pages 

 16. Price $0.25. 



Number 9. A reading list on scientific and industrial research and the service of the 

 chemist to industry. By Clarence Jay West. April, 1920. Pages 45. Price $0.50. 



Number 10. Report on the organization of the International Astronomical Union. 

 Presented for the American Section, International Astronomical Union, by W. W. 

 Campbell, Chairman, and Joel Stebbins, Secretary. June, 1920. Pages 48. 

 Price $0.50. 



Number 11. A survey of research problems in geophysics. Prepared by Chairmen 

 of Sections of the American Geophysical Union. October, 1920. Pages 57. 

 Price $0.60. 



Number 12. Doctorates conferred in the sciences in 1920 by American universities. 

 Compiled by Gallic Hull. November, 1920. Pages 9. Price $0.20. [Out of print] 



Number 13. Research problems in colloid chemistry. By Wilder D. Bancroft. 

 January-April, 1921. Pages 54. Price $0.50. [Out of print] 



Number 14. The relation of pure science to industrial research. By John J. Carty. 

 October, 1916. Pages 16. Price $0.20. 



Number 15. Researches on modern brisant nitro explosives. By C. F. van Duin and 

 B. C. Roeters van Lennep. Translated by Charles E. Munroe. February, 1920. 

 Pages 35. Price $0.50. 



Number 16. The reserves of the Chemical Warfare Service. By Charles H. Herty. 

 February, 1921. Pages 17. Price $0.25. 



Number 17. Geology and geography in the United States. By Edward B. Mathews 

 and Homer P. Little. April, 1921. Pages 22. Price $0.20. [Out of print] 



Number 18. Industrial benefits of research. By Charles L. Reese and A. J. Wad- 

 hams. February, 1921. Pages 14. Price $0.25. 



Number 19. The university and research. By Vernon Kellogg. June, 1921. Pages 

 10. Price $0.15. 



Number 20. Libraries in the District of Columbia. Compiled by W. I. Swanton in 

 cooperation with the Research Information Service of the National Research 

 Council and Special Libraries. June, 1921. Pages 19. Price $0.25. 



Number 21. Scientific abstracting. By Gordon S. Fulcher. September, 1921. Pages 

 15. Price $0.20. 



Number 22. The National Research Council. Its services for mining and metallurgy. 

 By Alfred D. Flinn. October, 1921. Pages 7. Price $0.20. 



