Elementary General Science /
Hughes, A.G..
Elementary General Science / Textual Documents A.G.Hughes. - 1st ed. / - London : Blackie & Sons Ltd , 1933. - 140p. : ill ; 19cm .
General Science G-Mathematics
500 / H 874 El
Elementary General Science / Textual Documents A.G.Hughes. - 1st ed. / - London : Blackie & Sons Ltd , 1933. - 140p. : ill ; 19cm .
General Science G-Mathematics
500 / H 874 El
