• 11 Videos, Slides, Films

• 8 History
• 6 Civilization
• 4 Mathematics
• 2 Economic conditions
• 1 Accidents
• 1 Adjustment (Psychology) in adolescence
• 1 Algebra
• 1 Antiquities
• 1 Arabs
• 1 Berlin Wall, Berlin, Germany, 1961-1989
• 1 Cell physiology
• 1 Cells
• 1 Change (Psychology)
• 1 Chernobyl Nuclear Accident, Chornobylʹ, Ukraine, 1986
• 1 Cytology
• 1 Description and travel
• 1 Egyptians
• 1 Geography
• 1 Health education (Secondary)
• 1 Islam
• 1 Islamic civilization
• 1 Jews
• 1 Khuwārizmī, Muḥammad ibn Mūsá, active 813-846
• 1 Kosovo War, 1998-1999

• 10 Discovery Communications, Inc
• 5 Discovery School (Firm)
• 4 Fabian-Baber, Inc
• 3 Amiry, Nadim
• 3 Discovery Channel School
• 3 Eastman, Tom
• 3 Fabian, Rhonda
• 3 Starr, Jim
• 2 Discovery Channel (Firm)
• 2 Discovery Channel Education
• 2 Discovery Education (Firm)
• 1 Becker, Leslie
• 1 Beyond Productions
• 1 Coelho, Valerie
• 1 Crowe, Russell, 1964-
• 1 Davies, Patricia, 1943-
• 1 Drake, Steve
• 1 Kikot, Thom
• 1 Larkin, Robert
• 1 Sunburst Visual Media
• 1 Tapestry International (Firm)
• 1 Thorburn, Christopher
• 1 Von Schoff, Elizabeth
• 1 Weber, Leyna Juliet
• 1 Yachetti, Bridget

• 11 English

• 3 Europe
• 2 Africa
• 2 Egypt
• 1 Africa, Sub-Saharan
• 1 Australia
• 1 Greece
• 1 Kosovo (Republic)
• 1 Mali (Empire)
• 1 Nile River Valley
• 1 Poland
• 1 Rome
• 1 Sweden
• 1 Tombouctou (Mali)
• 1 Ukraine
• 1 Vatican City

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