Golden jubilee edition of The paradise of childhood, a practical guide to kindergartners (1916)
Wiebé, Edward, Blake, Henry W, Bradley, Milton · Springfield, Mass. : M. Bradley · leaf 197
PARADISE OF CHILDHOOD. 13^ Fig. 257. … '■'':'~\fp^ % Fig. 262. JiJL u:/ Fig. 259. Fig. 263. J Fig. 260. Fig. 264. The variety of the forms of beauty to be laid with these tablets, is especially founded ontheif combination in twos. Figs. 265-270 show the forms produced by joining equal sides. Fig. 261.
Fröbel, Friedrich, 1782-1852 · Kindergarten -- Methods and manuals
Internet Archive · OISE - University of Toronto · Public domain (published before 1931). Free to use for anything.