Opportunities for conservation-based development of nontimber forest products in the Pacific NorthwestBettina Von Hagen · First published 1999Open the Tome
The rain forests of homePeter K. Schoonmaker, Bettina Von Hagen, Edward C. Wolf · First published 1997Open the Tome
Conservation and development of nontimber forest products in the Pacific NorthwestBettina Von Hagen · First published 1996Open the Tome
