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1
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2
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3
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4by Helmer, William J
Published 2011
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5by Helmer, William J
Published 2006
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7
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8by Girardin, G. Russell (George Russell), Girardin, G. Russell (George Russell), Girardin, G. Russell (George Russell)Other Authors: “...Helmer, William J...”
Published 1994
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10by Girardin, G. Russell (George Russell), Girardin, G. Russell (George Russell), Girardin, G. Russell (George Russell)Other Authors: “...Helmer, William J...”
Published 2009
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12by Winkeler, GeorgetteOther Authors: “...Helmer, William J...”
Published 2011
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14Published 1964Other Authors: “...Helmer, William J...”
This item is not available through BorrowDirect. Please contact your institution’s interlibrary loan office for further assistance.Journal