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12by Moore, Francis L.Contributors: “...Cummins, Raymond L....”
Published 1984
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13by Iowa Ornithologists' Union; Fuller, James L.Contributors: “...Cummins, Raymond L.; Schantz, Tim; Schirck, Shirley...”
Published 1994
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14by Johnson, Thomas N.Contributors: “...Cummins, Raymond L.; Iowa Ornithologists' Union Records Committee...”
Published 1998
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15by Dinsmore, Stephen J.Contributors: “...Cummins, Raymond L.; Johnson, Ann; Iowa Ornithologists' Union Records Committee...”
Published 1994
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16by Kent, Thomas H. (Thomas Hugh), 1934-Contributors: “...Cummins, Raymond L.; Iowa Ornithologists' Union Records Committee; Fuller, James L...”
Published 1992
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17by Scott, CharlotteContributors: “...Cummins, Raymond L.; Johnson, Thomas N.; Iowa Ornithologists' Union Records Committee...”
Published 1992
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18by Johnson, AnnContributors: “...Cummins, Raymond L.; Sinclair, Jim; Iowa Ornithologists' Union Records Committee; Fuller, James L...”
Published 1989
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19by Moore, Francis L.Contributors: “...Silcock, W. Ross; Cummins, Raymond L.; Hays, Russell; Myers, Robert K.; Perkins, Dan...”
Published 1984
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20by Dinsmore, Stephen J.Contributors: “...Kent, Thomas H. (Thomas Hugh), 1934-; Cummins, Raymond L.; Edwards, Chris; Iowa Ornithologists...”
Published 1996
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