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Popular science (2722), Tales (1552), School, training (1163), Geography (750), Politics (610), Agriculture (452), Biology (450), Vocational education (398), History (344), Industry (324), Junior (308), Geography of Hungary (303), Biography (277), Art (251), Fine arts (229), Literature (200), Physics (192), Hungarian history (192), Transportation (189), Healthcare (174), Sounded slide (169), Hungarian literature (169), Botany (168), Cartoon-based (133), Technical history (129), ...
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The english site is coming soon.
1955
A kárhelyparancsnok tevékenysége
Civil defense, fire protection, Home defense, Popular science
1967
Szeged
Geography, Geography of Hungary, Popular science
1968
A mezők, a vízek és a vízpartok élővilága : Diapozitív - gyűjtemény a 6. osztályos Élővilág tanításához
Biology, School, training
1970
Budapest (Budapest)
Geography, Geography of Hungary, German, Popular science
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