The President's Healthy Forests Inmitiative: Hearing Before the Committee on Agriculture, House of Representatives, One Hundred Eighth Congress, First Session, April 30, 2003

The Stranger in the Woods: The Extraordinary Story of the Last True Hermit

Forest Ecosystem Health in the United States: Joint Hearing Before the Committee on Agriculture and the Committee on Resources, House of Representatives, One Hundred Fifth Congress, First Session, April 9, 1997

Trees and Forests of Tropical Asia: Exploring Tapovan

The Horse Protection Act: hearing before the Committee on Agriculture, House of Representatives, One Hundred Ninth Congress, second session, on H.R. 503, July 27, 2006

Review of H.R. 1011, the Virginia Ridge and Valley Act of 2007: Hearing Before the Committee on Agriculture, House of Representatives, One Hundred Tenth Congress, First Session, September 27, 2007

Transnational Environmental Governance: The Emergence and Effects of the Certification of Forest and Fisheries

The U.S. Forest Service centennial: hearing before the Committee on Agriculture, House of Representatives, One Hundred Ninth Congress, first session, June 22, 2005

The Golden Spruce: A True Story of Myth, Madness, and Greed

The Forest Recovery and Protection Act of 1997: Hearing Before the Committee on Agriculture, House of Representatives, One Hundred Fifth Congress, First Session, on H.R. 2515, October 7, 1997

Ecology of Indonesian Papua Part Two

Forest Ecosystem Health in the United States (final): Hearings Before the Committee on Agriculture, House of Representatives, One Hundred Fifth Congress, First Session, June 5, 12, 19, 1997

The Secret Life of the Forest

Removing Roadblocks to Responsible Forest Management: Hearing Before the Committee on Agriculture, House of Representatives, One Hundred Fifth Congress, Second Session, September 2, 1998, Portland, OR.

The Pine Barrens

Agricultural Disaster Relief: Hearing Before the Committee on Agriculture, House of Representatives, One Hundred Third Congress, First Session, July 14, 1993

The Forest Unseen: A Year's Watch in Nature

Wildfire Risks on Federal Lands: Hearing Before the Committee on Agriculture, House of Representatives, One Hundred Sixth Congress, Second Session, October 4, 2000

Ecology of the Indonesian Seas Part 2