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6CylchgrawnCyhoeddwyd 1949“...Welding Research Council (U.S.)...”
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7CyfresolCyhoeddwyd 1965“...Welding Research Council (U.S.)...”
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8
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9Llyfrgan Hollomon, J. Herbert (John Herbert)“...Welding Research Council (U.S.)...”
Cyhoeddwyd 1946
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10LlyfrCyhoeddwyd 1957“...Welding Research Council (U.S.). Plasticity Committee...”
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14LlyfrCyhoeddwyd 1988“...Welding Research Council (U.S.). Pressure Vessel Research Committee...”