a history of elementary mathematics,with hints on methods of teaching cajori,f.
cajori,florian,1859-1930
a history of elementary mathematics,with hints on methods of teaching cajori,f. - 1st.ed. | N.Y. Macmillan 1959
a history of elementary mathematics,with hints on methods of teaching cajori,f. - 1st.ed. | N.Y. Macmillan 1959