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Popular science (2723), Tales (1554), School, training (1163), Geography (751), 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.
1975
The Organization of the North Atlantic Alliance (Az Észak Atlanti Szerződés szervezete )
Military technology, Politics, Popular science
1972
Gépjárművek üzemét ellenőrző műszerek I-II.
School, training, Transportation, Vocational education
1972
The History of Hungarian Books (A magyar könyv története )
Library science, Popular science
1953
Our Small Wild Game (Apróvadjaink )
Agriculture, Hunting, Popular science
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