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Popular science (2724), Tales (1573), School, training (1178), Geography (754), Politics (610), Biology (454), Agriculture (453), Vocational education (398), History (345), Industry (325), Junior (317), Geography of Hungary (303), Biography (278), Art (253), Fine arts (230), Literature (201), Physics (194), Hungarian history (193), Transportation (189), Healthcare (176), Hungarian literature (170), Sounded slide (169), Botany (168), Cartoon-based (133), Technical history (130), ...
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The english site is coming soon.1978
Gyümölcskultúrák integrált védekezéstechnikái
Agriculture, Biology, Botany, Crop production, Popular science, School, training, Vocational education
1952
Newsreel No.5: Pictures from the Soviet union (Híradó 5. számú : Képek a Szovjetunióból)
Politics, Popular science
1977
Előadások a magyar forradalmi munkásmozgalom történetéből
History, Hungarian history, Politics, Popular science
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