• 6 Videos, Slides, Films

• 2 Physics
• 1 Art
• 1 Chemical elements
• 1 Chemistry
• 1 Chemistry, Physical and theoretical
• 1 Christianity
• 1 Conservation of natural resources
• 1 Environmental protection
• 1 Experiments
• 1 Fashion design
• 1 Galaxies
• 1 Government policy
• 1 Graphic arts
• 1 Hubble, Edwin, 1889-1953
• 1 Human body
• 1 Inorganic compounds
• 1 Mendeleyev, Dmitry Ivanovich, 1834-1907
• 1 Mental health
• 1 Mental illness
• 1 Nutrition
• 1 Organic compounds
• 1 Philosophy
• 1 Psychology, Pathological
• 1 Religions

• 6 Films Media Group
• 6 Films for the Humanities & Sciences (Firm)

• 1 Outer space
• 1 Russia

• 6 Educational films
• 6 Internet videos

Limit year range