An accounting of progress and attendance of rural school children in Delaware : a report of results secured from an analysis of the eight-year individual attendance and progress cumulative records of the 1915 entrants into grade I of the rural and village schools of the State of Delaware
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An accounting of progress and attendance of rural school children in Delaware : a report of results secured from an analysis of the eight-year individual attendance and progress cumulative records of the 1915 entrants into grade I of the rural and village schools of the State of Delaware
（Contributions to education, no. 422）
Teachers College, Columbia University, 1930
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Bibliography: p. 124-144