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2by Jardine, Wallace E.Contributors: “...Harms, Ronald...”
Published 1980
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3by Iowa Ornithologists' Union; Fuller, James L.Contributors: “...Harms, Ronald...”
Published 1990
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4by Iowa Ornithologists' Union; Fuller, James LContributors: “...Harms, Ronald; Lowder, Ken; Nelson, Curtis...”
Published 1996
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5by Iowa Ornithologists' Union; Fuller, James L.Contributors: “...Silcock, W. Ross; Harms, Ronald; Freemyer, Zelbert...”
Published 1992
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6by Iowa Ornithologists' Union; Fuller, James L.Contributors: “...Harms, Ronald; Mosman, Dean; White, Harold W....”
Published 1990
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7by Iowa Ornithologists' Union; Fuller, James LContributors: “...Harms, Ronald; Johnson, Ann; Mellecker, Phyllis; Mellecker, Bernard...”
Published 1996
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