SRDS Spot Radio
   Standard Rate & Data Service media buying publication
Since 1919 when SRDS was founded as Standard Rate & Data Service, they've collected and delivered the data media buyers need to connect with media sellers. SRDS started by covering newspapers, magazines and billboards. Over the decades, radio, TV were added.

The company continues to be a vital part of the media buying function, including all forms of new media.

Check their current website at
http://next.srds.com/home
Year Edition (click on one to open)
1942 January
1943 January
1959 January
1968 November
1982 April Small Markets
1985 March