The Age of Walking and Talking in Relation to General Intelligence

Creeping and Walking

August W. Trettien · The American Journal of Psychology · 1900 · 77 citations

Mental Development in the Child.

W. B. Pillsbury, W. Preyer, H. W. Brown · The Philosophical Review · 1894 · 37 citations

Education, Human Development, Psychology +12

Review of First Steps in Mental Growth.

M. V. O'Shea · Psychological Bulletin · 1906 · 35 citations · Full text

Education, Human Development, Psychology +14

A Child's Vocabulary and its Development

John Reinder Pelsma · The Pedagogical Seminary · 1910 · 24 citations · Full text

Education, Human Development, Linguistics +10

Psychology of Childhood.

Aaron Hill, Frederick Tracy · The Philosophical Review · 1895 · 24 citations