The Advertiser & The Advertiser's Sketchbook / Markets of America
 Advertising and Media magazine and directory from the late 30's.
"The Advertiser" was a trade publication that predated "Broadcasting". It included regular annuals as ell 
Please advise if you know of any copies.
Sketchbook 1938 Media and advertiser articles and commentary
   
Sketchbook 1940 Markets of America Volume 3
Sketchbook 1941 Markets of America Volume 4