United States, 15 books including The United States 5 cent of 1856 (by Richard C. Frajola), The United States 1847 Issue: A Cover Census (by Thomas J. Alexander), The one cent stamp 1851-1857 in 2 volumes (by Ashbrook), The 10 cent stamps of 1855-1859, The United States Postage Stamps of the 19th century in 3 volumes (by Lester G. Brookman) and Postal rates abroad 1847-1875, etc. in box