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barbara g hallowell
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Fern Finder
Anne C. Hallowell, Barbara G. Hallowell · Nature Study Guild
64 sayfa · 1981
Ferns / Identification / Pictorial works
Mountain year
Barbara G. Hallowell · Jonh F. Blair
289 sayfa · 1998
Natural history / Appalachian region / Natural history, united states
Cabin, a mountain adventure
Barbara G. Hallowell · Appalachian Consortium Press
253 sayfa · 1986
Social life and customs / Mountain life / Biography