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Popular science (2707), Tales (1546), School, training (1162), Geography (748), Politics (609), Agriculture (447), Biology (444), Vocational education (397), History (342), Industry (324), Junior (306), Geography of Hungary (301), Biography (276), Art (251), Fine arts (229), Literature (200), Physics (191), Hungarian history (190), Transportation (188), Healthcare (173), Hungarian literature (169), Sounded slide (169), Botany (165), Cartoon-based (132), Technical history (128), ...
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The english site is coming soon.
1952
We Must Keep the Memory of 1848 Alive! (Emlékezzünk 48-ra!)
History, Hungarian history, Popular science
1955
Biológiai támadás és az ellene való védekezés
Biology, Civil defense, fire protection, Home defense, Military technology, Popular science
1975
Anyagmozgatás segédeszköz nélküli és egyszerű segédeszközökkel
Accident prevention, Industry, Popular science
1954
Six Months at the North Pole (Hat hónap az Északi sarkon )
Geography, Popular science
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