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1
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2article bibliotecaUNESCO
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3article bibliotecaUNESCO
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4article bibliotecaUNESCO
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5article bibliotecaUNESCO
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6article bibliotecaUNESCO
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7programme and meeting document bibliotecaUNESCO
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8programme and meeting document bibliotecaUNESCO
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9
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10by International Educational Seminar on the Improvement of Textbooks, particularly History Textbooks, Brussels, 1950, Bloch-Michel, Jeanprogramme and meeting document bibliotecaUNESCO
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11by International Educational Seminar on the Improvement of Textbooks, particularly History Textbooks, Brussels, 1950, Bloch-Michel, Jeanprogramme and meeting document bibliotecaUNESCO
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12by Round Table Meeting on the Sound-Track in the Cinema and Television, Budapest, 1966, Hungarian National Commission for UNESCO, Bloch-Michel, Jeanprogramme and meeting document bibliotecaUNESCO