一般注記Reprint of the 1930 ed. published by the University of Minnesota Press, Minneapolis, which was issued as no. 4. of Monograph series of the Institute of Child Welfare, University of Minnesota
Originally presented as the author's thesis, University of Minnesota, 1929
Bibliography: p. 165-169
Includes index
関連情報University of Minnesota Institute of Child Welfare monograph series
掲載誌University of Minnesota Institute of Child Welfare monograph series
連携機関・データベース国立情報学研究所 : CiNii Research
NACSIS書誌ID(NCID)https://ci.nii.ac.jp/ncid/BA05010741 : BA05010741