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1LlyfrCyhoeddwyd 1978“...Association for Supervision and Curriculum Development. Yearbook Committee...”
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2Llyfrgan English, Fenwick W.“...Association for Supervision and Curriculum Development...”
Cyhoeddwyd 1975
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3Llyfrgan Pajak, Edward, 1947-“...Association for Supervision and Curriculum Development...”
Cyhoeddwyd 2003
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4
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5LlyfrCyhoeddwyd 1996“...Association for Supervision and Curriculum Development...”
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6LlyfrCyhoeddwyd 1969“...Association for Supervision and Curriculum Development...”
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7LlyfrCyhoeddwyd 1979“...Association for Supervision and Curriculum Development (U.S.)...”
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8Llyfrgan Butts, R. Freeman (Robert Freeman), 1910-“...Association for Supervision and Curriculum Development (U.S.)...”
Cyhoeddwyd 1977
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9LlyfrCyhoeddwyd 1959“...Association for Supervision and Curriculum Development (U.S.)...”
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10Llyfrgan Macdonald, James B. (James Bradley), 1925-“...Association for Supervision and Curriculum Development (U.S.)...”
Cyhoeddwyd 1973
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11LlyfrCyhoeddwyd 1963“...Association for Supervision and Curriculum Development (U.S.)...”
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12LlyfrCyhoeddwyd 1960“...Association for Supervision and Curriculum Development (U.S.)...”
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13LlyfrCyhoeddwyd 1955“...Association for Supervision and Curriculum Development (U.S.)...”
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14LlyfrCyhoeddwyd 1971“...Association for Supervision and Curriculum Development (U.S.)...”
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15Llyfrgan Hunkins, Francis P.“...Association for Supervision and Curriculum Development. Commission on the Social Studies...”
Cyhoeddwyd 1973
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16LlyfrCyhoeddwyd 1962“...Association for Supervision and Curriculum Development (U.S.). Yearbook Committee...”
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17LlyfrCyhoeddwyd 1975“...Association for Supervision and Curriculum Development (U.S.). Yearbook Committee, 1975...”
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18LlyfrCyhoeddwyd 1970“...Association for Supervision and Curriculum Development. Elementary Education Advisory Council...”
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19LlyfrCyhoeddwyd 1972“...Association for Supervision and Curriculum Development (U.S.). Yearbook Committee, 1972...”
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20LlyfrCyhoeddwyd 1966“...Association for Supervision and Curriculum Development (U.S.). Yearbook Committee, 1966...”