The United States 1847 Issue: A Cover Census by Thomas J. Alexander, U.S. Philatelic Classics Society, 2001, 950 pages, cloth binding with clean intact dust jacket. Detailed listing of nearly 13,000 covers arranged by place of mailing and data, plus a separate section on fake covers, more than 200 covers illustrated, 16 pages in color, the characteristics of mail from each state. $65 + $7 shipping