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By: Perrygo, Watson M., - Lingebach, John CarletonEdition:Publication info: 1937Volume:Series:Holding Institution: Smithsonian Institution ArchivesSubjects:BHL Collections: Smithsonian Field Books collection
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By: Perrygo, Watson M., - Lingebach, John CarletonEdition:Publication info: 1936Volume:Series:Holding Institution: Smithsonian Institution ArchivesSubjects:BHL Collections: Smithsonian Field Books collection
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By: Perrygo, Watson M., - Lingebach, John Carleton - Schaefer, Henry R.Edition:Publication info: 1937Volume:Series:Holding Institution: Smithsonian Institution ArchivesSubjects:BHL Collections: Smithsonian Field Books collection
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By: Perrygo, Watson M., - Lingebach, John CarletonEdition:Publication info: 1936Volume:Series:Holding Institution: Smithsonian Institution ArchivesSubjects:BHL Collections: Smithsonian Field Books collection