• Determining the Need to Fertilize Landscape Trees and Shrubs, University of Nebraska-Lincoln NebGuide G02-1466-A.
• Fertilizing Trees, Kansas State University Extension Publication.
• Fertilizing Trees & Shrubs, Colorado Plant Talk, Colorado State University Cooperative Extension Publication 1708.
• Tree Fertilization: A Guide for Fertilizing New and Established Trees in the Landscape, University of Minnesota Extension Service Publication FO-7410.

• Hazard Trees, Forest and Shade Tree Pathology.
• Hazard Trees, United States Forest Service.
• How to Recognize Hazardous Defects in Trees, United States Forest Service.
• Recognizing Tree Hazards, International Society of Arboriculture.

• Tree Planting Guide, University of Nebraska-Lincon Extension Publication. EC82-1738.
• New Tree Planting, International Society of Arboriculture.
• Planting Trees in Landscapes, University of Florida.
• Tree Planting, Natural Resource Conservation Service.

• Care of Newly Planted Trees, University of Nebraska-Lincoln Extension Publication G94-1195-A.
• How to Prune Trees,USDA Forest Service Northeastern Area State and Private Forestry Publication NA-FR-01-95.
• Mature Tree Care, International Society of Arboriculture.
• Pruning Mature Trees, International Society of Arboriculture.
• Pruning Young Trees, International Society of Arboriculture.

• Basics of Tree Identification (Virginia Tech)
• ID It (Virginia Tech)
• National Register of Big Trees
• Native Pines of Eastern North America (North Carolina State University)
• Natural Resource Conservation Service Plants Database
• Tree Identification Key (Iowa State)
• Tree of the Month (Oregon State)
• Trees of the Pacific Northwest (Oregon State)
• Trees of the Upper Peninsula (Michigan State)
• What Tree is That? (National Arbor Day Foundation)

• Forest Health , Nebraska Forest Service.
• Insects and Pests, University of Nebraska Extension Publications.
• Plant Diseases, University of Nebraska Extension Publications.
• Common Insect Pests of the Great Plains , National Agroforestry Center.
• Diseases of Trees in the Great Plains , National Agroforestry Center.
• Forest Pests
• Forest Pests, Ohio Department of Natural Resources.
• Insect and Disease Leaflets, United States Forest Service.
• Insects on the WWW, Virginia Tech.
• Kansas State University Extension Publications
• Ohio State University Extension Publications
• Ohio State University Plant Facts Database
• Shade and Forest Insects, Clemson University.

Tree Selection

Urban Forestry

Articles and Reports

• A Technical Guide to Urban and Community Forestry
• An Introductory Guide to Urban and Community Forestry Programs. (October 1993). United States Forest Service Forestry Report R8-FR 16
• Benefits of Urban Trees. (April 1990). United States Forest Service Forestry Report R8-FR 17.
• Coder, K. (October 1996). Identified Benefits of Community Trees and Forests.
• Kaplan, R. & Kaplan, S. (1989). The Experience of Nature: A Psychological Perspective. Cambridge: Cambridge University Press.
• Kuo, F. (May 2003). The Role of Arboriculture in a Healthy Social Ecology. Journal of Arboriculture, 29:3, 148-155.
• Kuo, F. (January 2001). Coping with Poverty: Impacts of Environment and Attention in the Inner City. Environment and Behavior, 33:1, 5-34.<
• Kuo, F. & Sullivan, W. (May 2001). Environment and Crime in the Inner City: Does Vegetation Reduce Crime? Environment and Behavior, 33:3, 343-367.
• Kuo, F.E. & Sullivan, W.C. (2001). Aggression and Violence in the Inner City: Impacts of Environment Via Mental Fatigue. Environment and Behavior, 33:4, 543-571.
• Kuo, F.E., Sullivan, W.C., Coley, R.I. & Brunson, L. (1998). Fertile Ground for Community: Inner-City Neighborhood Common Spaces. American Journal of Community Psychology, 26:6, 823-851.
• Lyman, F. (August 2002). The Geography of Health. Land & People Magazine.
• Taylor, A.F., Kuo, F. E. & Sullivan, W.C. (2001). Coping with ADD: The Surprising Connection to Green Play Settings. Environment & Behavior, 33:1, 54-77.
• Taylor, A.F., Kuo, F.E. & Sullivan, W.C. (2001). Views of Nature and Self-Discipline: Evidence from Inner-City Children. Journal of Environmental Psychology, 21.
• The Forest Resources of Nebraska, (August 1998). United States Forest Service Research Paper NC-332.
• Ulrich, R. (1984). View Through a Window May Influence Recovery from Surgery. Science, 224, 420-421.
• Wolf, K. (2004). Public Value of Nature: Economics of Urban Trees, Parks and Open Space in Miller, D. & Wise, J. (Eds.) Design with Spirit: Proceedings of the 35 th Annual Conference of the Environmental Design Research Association. Edmond , Oklahoma .
• Wolf, K. (July 2001). Tree Investment Brings Cities Many Happy Returns. Seattle Daily Journal of Commerce.

• Benefits of Trees
• Benefits of Trees in Urban Areas
• Benefits of the Urban Forest
• Girls & Greenery: Views of Green Help Girls Succeed
• Growing with Green: Business Districts and the Urban Forest
• Nature Experiences: Readings and References on Human Benefits
• Trees in Business Districts: Comparing Values of Consumers and Business
• Trees in Business Districts: Positive Effects on Consumer Behavior!
• Twenty-Nine Reasons For Planting Trees
• Urban Forest Values: Economic Benefits of Trees in Cities
• Urban Forestry: A Manual for the State Forestry Agencies in the Southern Region
• Urban Nature Benefits: Psycho-Social Dimensions of People and Plants

• American Forests
• Center for Urban Forest Research
• International Society of Arboriculture
• Midwest Center for Urban and Community Forestry
• National Tree Trust
• Nature and Consumer Environments
• Nebraska Forest Service Community Forestry Program
• Plant-It 2020!
• Treelink
• Tree Values
• Trust for Public Land Urban Publications
• Urban and Community Forestry Publications and Information
• Urban Forestry Database
• Urban Forestry and Human Benefits
• Urban Forestry South