ISBN 9781245352345 books & textbook
Child and Child-Nature, Contributions to the Understanding of Frobel's Educational Theories, Tr. by A.M. Christie
Bertha Maria Marenholtz-Bulow (Freifrau
Nabu Press /2011-09-14 Paperback / 214 Pages
isbn-10: 1245352342 / isbn-13: 9781245352345