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Proceedings of the ... Annual All State Educational Conference

Beverly Lane FussellKnute Oscar BroadyOscar Helmuth WernerUniversity of Nebraska--Lincoln. Extension DivisionUniversity of WisconsinRalph Clairon BedellCecil Winfield ScottRuth Elsie Pike

出版	Extension Division, The University of Nebraska, 1941
URL	http://books.google.com.hk/books?id=XyQrAQAAMAAJ&hl=&source=gbs_api