Naturalists - Biography. - United States

Aldo Leopold = his life and work / by: (Language materials, printed)

Ghost birds = Jim Tanner and the quest for the ivory-billed woodpecker, 1935-1941 / by: (Language materials, printed)

Thoreau in his own time = a biographical chronicle of his life, drawnfrom recollections, interviews, and memoirs by family, friends, and associates / by: (Language materials, printed)

Ecologie

Wisconsin

Ornithologists

Biologen

Intellectuals

Foresters

Thoreau, Henry David,

Leopold, Aldo,

Bossen

Ivory-billed woodpecker.

Tanner, James T.

Ecologists

Wilde dieren

Naturalists

Authors, American

Wildlife managers

Verenigde Staten