Politics. WestviewPress Boulder, Colorado, 2000, S. 277. Mart Martin: The Almanac of Women and Minorities in World Politics. WestviewPress Boulder, Colorado
on the Journey West. WestviewPress, Boulder, CO 1998: Reluctant witnesses. Children's voices from the civil war. WestviewPress, Boulder, CO 1999: Through
Davis, Michael A. Coplan: Building Scientific Apparatus. 3. Auflage, WestviewPress, Boulder,CO 2002, ISBN 0-8133-4006-3, S. 222. John H. Moore, Christopher
Politics. WestviewPress Boulder, Colorado, 2000, S. 297. Mart Martin: The Almanac of Women and Minorities in World Politics. WestviewPress Boulder, Colorado