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1by Derr, V. E (Vernon Ellsworth), 1921-, Derr, V. E (Vernon Ellsworth), 1921-, Derr, V. E (Vernon Ellsworth), 1921-
Published 1972
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This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.Government Document Book -
4by Derr, V. E (Vernon Ellsworth), 1921-
Published 1978
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5by Derr, V. E (Vernon Ellsworth), 1921-
Published 1974
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6by Derr, V. E (Vernon Ellsworth), 1921-
Published 1974
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7by Derr, V. E (Vernon Ellsworth), 1921-
Published 1972
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8by Derr, V. E (Vernon Ellsworth), 1921-
Published 1974
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9by Derr, V. E (Vernon Ellsworth), 1921-
Published 1967
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10by Derr, V. E (Vernon Ellsworth), 1921-
Published 1982
This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.Government Document Book