Bell System Technical Journal, July, 1943 



For the purposes of record and assistance to librarians, 

 and for the information of subscribers, it is to be noted 

 that there was no April 1943 issue of the Bell System 

 Technical Journal. 



It is also to be noted that there was only one issue of 

 Volume 21 of the Bell System Technical Journal. It 

 was the issue of June 1942. 



