Nielsen Media Research is an American firm that measures media audiences, including television, radio, theatre, films, and newspapers. Nielsen data are not publicly accessible. NYU Libraries has access to freely available summaries of Nielsen data as well as access to some Nielsen data through third-party databases--Simply Analytics and SRDS. Below are links to a few of these resources:
The Alliance for Audited Media (AAM) database provides access to circulation and subscription figures for hundreds of major US and Canadian magazines and newspapers via the "Media Intelligence Center" resource. Subscription information is available for both print and digital resources. Historical data goes back about 10 years for each title.
To request access to AAM's "Media Intelligence Center," please contact SCGP@nyu.edu.
Performer or album-specific sales data is proprietary information held by individual recording companies, and is often difficult to find in any comprehensive or detailed form. However, publications such as Billboard compile and publish charts on the weeks top albums and artists that can approximate this data. The list below contains a few suggested resources available to begin your search. Other possible sources for sales information are books about music history, biographies on individual artists, bibliographies and discographies.