By Mountford, Alan.
London : University Press, 1975 .
108 p. : 23 cm.
0194375110

By Mountford, Alan.
London : University Press, 1975 .
146 p. : 23 cm.
0194375021

Springfield : G.& C. Merriam Company, 1944 .
3 v. : 30 cm.

By Garcia-Pelayo y Gross, Ramón.
México : Larousse, 1991 .
724 p. ; 28 cm.
9706110321

By García-Pelayo y Gross, Ramón.
México : Larousse, 1991 .
816 p. ; 28 cm.
970611033X