Froebel's letters on the kindergarten;
APA Citation
Fröbel, F., Moore, H. Keatley., Michaelis, E., Poesche, H. (1896). Froebel's letters on the kindergarten. Syracuse, N.Y.: C. W. Bardeen.
MLA Citation
Fröbel, Friedrich, 1782-1852, H. Keatley Moore, Emilie Michaelis, and Hermann Poesche. Froebel's Letters On the Kindergarten. Syracuse, N.Y.: C. W. Bardeen, 1896.
Warning: These citations may not always be complete (especially for serials).