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By: Pauley, Scott S - Perry, Thomas OType: ArticleIn: Journal of the Arnold ArboretumVolume: 35Series:Issue: 2Date: 1954Page Range: 167--188Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-Subjects:
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By: Perry, Thomas OType: ArticleIn: ArnoldiaVolume: 49Series:Issue: 4Date: 1989Page Range: 3--21Publication Info: Jamaica Plain, Mass Arnold Arboretum, Harvard UniversitySubjects: