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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.
1963
Fűfélék vetőmagtermesztése
Agriculture, Biology, Botany, Crop production, Popular science
1975
Developments in our Agriculture and Food Industry (Mezőgazdaságunk és élelmiszeriparunk fejlődése)
Agriculture, Food industry, Popular science
1965
Képek az ifjúsági mozgalom története Magyarországon kiállításhoz 1919 - 1964 V. tekercs
History, History of labor movement, Hungarian history, Politics, Popular science
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