"Radio Listener's 
															Guide" and "Radio 
															Review" were two 
															separate 
															publications which 
															combined in 
															1926.  
															EARLIER 
															PUBLICATION 
															Previously, Consolidated 
															Radio Call Book 
															began in January, 
															1922, and 
															was issued 
															irregularly; the 4th 
															edition is dated 
															Fall 1924.  
															RADIO LISTENER'S 
															GUIDE 
															In 1925, 
															it became "Radio 
															Listener's Guide 
															combined with 
															Complete Radio Call 
															Book" and was 
															published in March 
															and September of 
															1925.  
															RADIO REVIEW 
															At this same 
															time, the separate 
															"Radio Review" was 
															published bi-monthly 
															beginning in May 
															1925. In October 
															1925, it became a 
															monthly publication.
															RADIO REVIEW 
															& LISTENER“S GUIDE 
															In 1926, these two 
															combined to become 
															Radio Review 
															combined with Radio 
															Listener's Guide and 
															Call Book. The new 
															title  was advertised as 
															a quarterly 
															publication.
															 
															RADIO LISTENER'S 
															GUIDE 
															In 1927, it was 
															renamed Radio 
															Listener's Guide 
															combined with Radio 
															Review (still 
															quarterly). In Dec 
															1927, it was again 
															renamed to Radio 
															Listener's Guide and 
															Call Book. The last 
															known issue is dated April 1929 
															
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