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By: Petersen, Niels Frederick,Edition: 2d ed.Publication info: Plainview, Neb, [c1912]Volume:Series:Holding Institution: Cornell University LibrarySubjects:BHL Collections:
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By: Petersen, Niels Frederick,Edition:Publication info: Lincoln, Neb, Printed by State Printing Co, 1912Volume:Series:Holding Institution: New York Botanical Garden, LuEsther T. Mertz LibrarySubjects:BHL Collections:
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By: Petersen, Niels Frederick,Edition: 3rd ed.Publication info: Plainview, Neb, 1923Volume:Series:Holding Institution: New York Botanical Garden, LuEsther T. Mertz LibrarySubjects:BHL Collections: