Dòng Nội dung
1
El viajero incomparable: Charles Darwin / Victoria Schussheim, México. Secretaría de Educación Pública
Mexico : SEP, 2001.
111 pages ; 21 cm.
2
Rediscovering America : John Muir in his time and ours / Frederick Turner.
San Francisco : Sierra Club Books, c1985.
xii, 417 p., [16] p. of plates : ill. ; 23 cm.