- 1998 U.S. Census statistics on Newspaper, periodical, book & database publishers.
- Bookweb Statistics from the American Booksellers Association.
- U.S. Book Production Statistics from Bookwire.
- Booktrends newsletter about book publishing.
- Romance Readership Trends & Statistics from Romance Writers of America.
- American Newspaper Representatives statistics on community newspapers. Advertising rates by state
- Reader Profiles readership information from the Audit Bureau of Circulation.
- Newspaper Association of America readership demographics, advertising expenditures and other statistics related to newspaper publishing. The NAA also provides a good overview of the newspaper industry.
- International Federation of the Periodical Press current and forecasted international magazine readership.
- Editor & Publisher online magazine.
- Magazine Publishers of America latest news for magazine publishers. See Research for special reports about magazine publishing, such as the Magazine Handbook. Created on September 5, 2003.