Roberts, Ann
Helping children to be strong from birth to three
Routledge, 2007
 Buku Teks
Sheridon, Mary Dorothy
From birth to five years : children's developmental progress / Mary D. Sheridon
Routledge, 1983
 Buku Teks
Hop, Le Thi
Growth and development of Vietnamese children from birth to 17 years old in Hanoi (a longitudinal study from 1981 to 1999)
Fakultas Kedokteran Universitas Indonesia, 1999
 UI - Disertasi (Membership)
Chekhov, Anton Pavlovich, 1860-1904
Three years
Foreign Languages Publishing House, [date of publication not identified]
 Buku Teks
Three thousand years of educational wisdom: selections from great documents
edited and commented upon by Robert Ulich
Harvard University Press, 1947
 Buku Teks