1. HUSCO 1790-1999 : historical United States county boundary files Author/Creator: Earle, Carville Publication/Creation: Baton Rouge, La. : Geoscience Publications, [1999] Format: Map Access & Availability: Loading
2. The almanac of state legislatures : changing patterns 1990-1997 Author/Creator: Lilley, William, III, 1938- Publication/Creation: Washington, D.C. : Congressional Quarterly, 1998 Format: Map Edition: 2nd edition. Access & Availability: Loading
3. The almanac of state legislatures Author/Creator: Lilley, William, III, 1938- Publication/Creation: Washington, D.C. : Congressional Quarterly, 1993 Format: Book Access & Availability: Loading
4. Township atlas of the United States Author/Creator: Andriot, Jay Publication/Creation: McLean, Va. : Documents Index, [1991] Format: Map Access & Availability: Loading
5. Map guide to the U.S. federal censuses, 1790-1920 Author/Creator: Thorndale, William Publication/Creation: Baltimore : Genealogical Pub. Co., 1987 Format: Book Access & Availability: Loading
6. Township atlas of the United States Author/Creator: Andriot, John L. Publication/Creation: McLean, Va. : Documents Index, Inc., [1987] Format: Book Access & Availability: Loading
7. United States base map (with county boundaries and names) Author/Creator: United States. Bureau of the Census Publication/Creation: [Washington] : The Bureau, [1987?] Format: Map Access & Availability: Loading
8. Historical U.S. county outline map collection, 1840-1980 Publication/Creation: Baltimore, Md. : Dept. of Geography, University of Maryland Baltimore County, [1984] Format: Book Access & Availability: Loading
9. Township atlas of the United States Author/Creator: Andriot, John L. Publication/Creation: McLean, Va. : Andriot Associates, [1979] Format: Book Access & Availability: Loading
10. Township atlas of the United States : named townships Author/Creator: Andriot, John L. Publication/Creation: McLean, Va. : Andriot Associates, 1977 Format: Book Access & Availability: Loading