DATES OF PUBLICATION OF SEPARATES 



The edition of separates is 300 copies, of which about 100 are mailed on the date 

 of issue, and the others placed on sale in the Library. 



Art. I, July 20, 1922. 

 " II, October 27, 1922. 

 " III, April 11, 1924. 

 " IV, February 6, 1925. 



