NBC markets
Subtitle: a presentation of basic market facts on the key sales territories of the United States; the trading areas served by NBC associated stations.
Publisher: National broadcasting company, inc.
Published: 1931
Place of publication: New York, Boston [etc.]
Language: eng
Subjects: Radio stations; Radio broadcasting; Advertising; United States -- Statistics
Genres: Statistics.
Notes: Loose-leaf.
"Sources" included in introduction.