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Popular science (2707), Tales (1545), 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 (190), Hungarian history (190), Transportation (188), Healthcare (173), Hungarian literature (169), Sounded slide (169), Botany (165), Cartoon-based (129), Technical history (128), ...
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The english site is coming soon.
1930
A Balaton II.
Geography, Geography of Hungary, School, training
1967
The Story of the Nucleus (Az atommag regénye )
Physics, Popular science
1952
Gondoskodás a dolgozó emberről nálunk és a kapitalista országokban
Politics, Popular science
1974
Technika az általános iskolák 3. osztálya számára
Industry, School, training
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