Fröbel, Friedrich, 1782-1852 (Personal Name)

Apprendre de toutes pièces, c1992: p. 5 (Friedrich Fröbel (1782-1852))

RLIN ARF, 07/06/1994 (Froebel, Friedrich Wilhelm August, 1782-1852; German educator, author and founder of the kindergarten system)

Ciò che è vivo e ciò che è morto della pedagogia di Federico Fröbel, 1916: p. vii, etc. (wrote on the importance of kindergarten preparation for children)

Kindergarten culture in the family and kindergarten, 1873: t.p. (Froebel) p. iii (Frederic Froebel; b. Apr. 21, 1782, d. July 21, 1852)

The Routledge international handbook of Froebel and early childhood practice, 2018: ECIP contents note (Friedrich Froebel, his life and ideas)