Dòng Nội dung
1
American's wilderness : the photographs of Ansel Adams / John Muir, Ansel Adams.
Philadelphia : Courage Books, 1997
128 p. : chiefly illustrations. ; 30 cm.



2
Ästerreich / Ernst Hausner.
Wien : J&V, 1986.
251tr. ; 30 cm.



3
4
5
Greening : an environmental reader / Brenda Bushell.
Upper Saddle River, NJ : Prentice Hall, c1995.
ix, 148 p. : ill. ; 24 cm.