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1LlyfrCyhoeddwyd 1974“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
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2Llyfrgan Howenstine, E. Jay (Emanuel Jay)“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
Cyhoeddwyd 1980
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3Dogfen y Llywodraeth LlyfrCyhoeddwyd 1976“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
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4Llyfrgan Nelson, Kathryn P.“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
Cyhoeddwyd 1979
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5LlyfrCyhoeddwyd 1979“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
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6Dogfen y Llywodraeth Llyfrgan Weitz, Stevenson“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
Cyhoeddwyd 1982
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7LlyfrCyhoeddwyd 1973“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
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8LlyfrCyhoeddwyd 1975“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
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9Dogfen y Llywodraeth LlyfrCyhoeddwyd 1983“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
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10Llyfrgan Zeisel, John“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
Cyhoeddwyd 1978
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11Dogfen y Llywodraeth Llyfrgan RuBino, Richard G.“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
Cyhoeddwyd 1980
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12LlyfrCyhoeddwyd 1979“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
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13LlyfrCyhoeddwyd 1980“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
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14LlyfrCyhoeddwyd 1980“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
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15LlyfrCyhoeddwyd 1980“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
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16Dogfen y Llywodraeth Llyfrgan Vranicar, John“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
Cyhoeddwyd 1981
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17LlyfrCyhoeddwyd 1980“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
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18Dogfen y Llywodraeth Llyfrgan Margulis, Stephen T.“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
Cyhoeddwyd 1981
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19LlyfrCyhoeddwyd 1979“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”
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20LlyfrCyhoeddwyd 1977“...United States. Dept. of Housing and Urban Development. Office of Policy Development and Research...”