Issued also as thesis (Ph. D) - Columbia university.Bibliography: p. 123-127.Mode of access: Internet
Bibliography: p. 359-375."Child study literature": p. xxi-xxiii.Mode of access: Internet
Thesis (PH. D.)-Columbia university."Bibliography and references":p.99-100.Mode of access: Internet
Vita.Thesis (PH. D.)--Columbia University, 1914.Bibliography: p. 109-114.Mode of access: Internet
Originally presented as the author's thesis, Columbia.Bibliography: p. 42.Mode of access: Internet
Published also as Teachers college, Columbia university, Contributions to education, no. 220.Vita.Th...
Published also as Teachers college, Columbia university, Contributions to education, no. 578.Vita.Th...
Columbia university contributions to philosophy and psychology, vol. xxiv, no. 2.Mode of access: Int...
Published also as thesis (Ph. D.) Columbia University, 1921."Bibliography of authorities on the natu...
Published also as Teachers college, Columbia university, Contributions to education, no. 164.Vita.Th...
Issued also as thesis (Ph.D.) Columbia University.Bibliography: p. 122-125.Mode of access: Internet
Published also as Contributions to education, Teachers college, Columbia university, no. 113.Vita.Th...
Thesis (PH. D.)--New York University, 1911.Bibliography: p. 63-65.Mode of access: Internet
Issued also as thesis (PH.D.) Columbia University.Bibliography: p. 95-100.Mode of access: Internet
Issued also as thesis (Ph.D.) Columbus university, 1922.Bibliography: p. 153.Mode of access: Interne...
Columbia University contributions to philosophy and psychology, vol. XV, no. 2.Mode of access: Inter...
Bibliography: p. 359-375."Child study literature": p. xxi-xxiii.Mode of access: Internet
Thesis (PH. D.)-Columbia university."Bibliography and references":p.99-100.Mode of access: Internet
Vita.Thesis (PH. D.)--Columbia University, 1914.Bibliography: p. 109-114.Mode of access: Internet
Originally presented as the author's thesis, Columbia.Bibliography: p. 42.Mode of access: Internet
Published also as Teachers college, Columbia university, Contributions to education, no. 220.Vita.Th...
Published also as Teachers college, Columbia university, Contributions to education, no. 578.Vita.Th...
Columbia university contributions to philosophy and psychology, vol. xxiv, no. 2.Mode of access: Int...
Published also as thesis (Ph. D.) Columbia University, 1921."Bibliography of authorities on the natu...
Published also as Teachers college, Columbia university, Contributions to education, no. 164.Vita.Th...
Issued also as thesis (Ph.D.) Columbia University.Bibliography: p. 122-125.Mode of access: Internet
Published also as Contributions to education, Teachers college, Columbia university, no. 113.Vita.Th...
Thesis (PH. D.)--New York University, 1911.Bibliography: p. 63-65.Mode of access: Internet
Issued also as thesis (PH.D.) Columbia University.Bibliography: p. 95-100.Mode of access: Internet
Issued also as thesis (Ph.D.) Columbus university, 1922.Bibliography: p. 153.Mode of access: Interne...
Columbia University contributions to philosophy and psychology, vol. XV, no. 2.Mode of access: Inter...
Bibliography: p. 359-375."Child study literature": p. xxi-xxiii.Mode of access: Internet
Thesis (PH. D.)-Columbia university."Bibliography and references":p.99-100.Mode of access: Internet
Vita.Thesis (PH. D.)--Columbia University, 1914.Bibliography: p. 109-114.Mode of access: Internet