Fenton, Edwin, Aberg, Sherrill..
32 problems in world history : source readings and interpretations /
critic reader : D. Powell ; designer : T.J. Gorman ; globe model : G. Sawa ; globe puzzle : T.J. Buehler 
. - Glenview  : Scott, Foresman & Co.,  1969 
. - 240 p.  23 cm.