Children's Britannica - Children's... (Encyclopaedia Britannica Interational, 1978)
tr, jil.1,2,4,5,6,7,10,11,14,16,19,20 = C.1/stoc6, jil.1,2,4,5,6,7,10,11,14,16,19,20 [index and atlas]=c.1