Books & media

Instructional films 474 Education 170 Science 160 Social sciences 128 Services for 122 Youth development 119 Exercise 107 Study and teaching 99 Astronomy 98 Foreign study 89 History, Modern 70 Youth 67 Philosophy and religion 66 Travel 61 Health 57 Prevention 56 Technical education 54 Training of 53 Safety education 51 Balts (Indo-European people) 50 Technology 50 Physical education and training 49 Mathematics 44 Sports injuries in children 42 Wounds and injuries 42 Arts 41 Physical fitness 40 Mathematics teachers 38 Political science 38 In-service training 36