El Hombre y la tierra 
[colaboradores de la obra, Ronald W. Clark ... et al. ; comité de redacción, Gordon Manley ... et al.] 
 - Barcelona  Salvat  c1973. 
 - 188 p., [12] leaves of plates  col. ill., maps  18 cm. 
<br/><br/> Translation of: Geography, our planet, its peoples and resources. 
<br/><br/>Bibliography: p. 187-188. 
<br/><br/><label>ISBN: </label>8434573105 9788434573109 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography
<br/><br/><label>LC Class. No.: </label>G127  / .G418 1973 
<br/><br/><label>Dewey Class. No.: </label>910