1.

図書
図書
1. The great forest
by Richard G. Lillard
出版情報: New York : Alfred. A. Knopf, c1947
2.

図書
図書
2. The great forest
by Richard G. Lillard
出版情報: New York : Da Capo Press, 1973
3.

図書
図書
3. Americans and their forests : a historical geography
Michael Williams
出版情報: Cambridge [Cambridgeshire] ; New York : Cambridge University Press, 1989
シリーズ名: Studies in environment and history