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Rediscovery of the Elements
Interactive DVD documenting the research by Dr. James and Virginia Marshall to trace the history of the elements in the periodic table. It includes biographical information on the scientists who discovered each of the elements, notes about each of the elements with photos, periodic tables, maps and photographs of the cities where elements were discovered, a timeline of discoveries, written articles about the research, and other background documentation.
Date:
July 2010
Creator:
Marshall, James L., 1940- & Marshall, Virginia R.
Object Type:
Website
System:
The UNT Digital Library
The Invasion of Czechoslovakia, August 20, 1968: A Collection of Background Materials and Samples of Congressional Statements and Speeches for Use on the Preparation of Commemorative Statements and Speeches
This report discusses the invasion of Czechoslovakia in 1968 by the Soviet Union and its allies in the Warsaw Pact (Poland, Hungary, Bulgaria, and East Germany) which overthrew the government of liberal Communist Party leader, Alexander Dubcek. The report provides statements and news stories related to the invasion and its aftermath as well as resources for Congress members giving speeches or releasing statements at commemorative events.
Date:
July 19, 1972
Creator:
Mihalchenko, Barbara
Object Type:
Report
System:
The UNT Digital Library