Primary Sources:

Hough, Michael. 1995. "Plants," in Cities and Natural Processes. Routledge.

Lipkis, Andy and Katie Lipkis. 1990. The Simple Act of Planting a Tree :A Citizen Forester's Guide to Healing Your Neighborhood, Your City, and Your World. Los Angeles : J.P. Tarcher.

Miller, Robert W., 1997. Urban Forestry :Planning and Managing Urban Greenspaces. Upper Saddle River, N.J. : Prentice Hall.

Osban, Gregory J. 1984. Managing Urban Forests. Thesis of MLA of the Harvard Graduate School of Design.

Spirn, Anne Whiston. 1984. The Granite Garden :Urban Nature and Human Design. New York : Basic Books.

http://www.treepeople.com/

http://www.caseytrees.org/

http://www.americanforests.org/resources/urbanforests/success.php

Other Sources:

Baker, Mark. 2003. Community Forestry in the United States :Learning From the Past, Crafting the Future. Washington, DC : Island Press.

Bradley, Gordon A.. 1995. Urban Forest Landscapes :Integrating Multidisciplinary. Seattle: University of Washington Press.

Grey, Gene W., 1931- Urban forestry /Gene W. Grey, Frederick J. Deneke. New York : Wiley, c1978.

Kusel, Jonathan and Elisa Adler Forest. 2003 Forest Communities, Community Forests. Lanham, Md. : Rowman & Littlefield Publishers.

McCullough, Robert. 1995. The Landscape of Community :A History of Communal Forests in New England. Hanover, NH : University Press of New England.

Nadel, Ira Bruce, and Cornelia Hahn Oberlander. 1977. Trees in the city. New York : Pergamon Press.

Palo, Matti and Jussi Uusivuori. 1999. World Forests, Society, and Environment. Dordrecht ; Boston : Kluwer Academic Publishers .

Robbins, William G.. 19385. American Forestry :A History of National, State, and Private Cooperation. Lincoln : University of Nebraska Press.

Websites:

http://www.americanforests.org/resources/urbanforests/success.php

http://www.afandpa.org

http://www.treesaregood.com/

http://www.fs.fed.us/

http://www.nwp-online.de/

http://www.cifor.cgiar.org/docs/_ref/publications/newsonline/29/burned.htm

http://cufr.ucdavis.edu/

http://www.fuf.net/

http://www.urbanforest.on.net/main.htm

http://ergwms.er.usgs.gov/citygreen.html

http://www.arborday.org/programs/treecityusa.cfm

http://www.frankfurt-tourismus.de/

http://www.berlin.de/

http://www.safnet.org/

Los Angeles
http://www.treepeople.org/vfp.dll?OakTree~getPage~&PNPK=32
http://www.laparks.org/dos/forest/urbanforest.htm
http://www.laparks.org/dos/forest/urbanforestprogram.htm
http://www.cityofla.org/BOSS/streettree/StreetTreeFacts.htm
http://www.yesmagazine.org/article.asp?ID=318
http://www.ladwp.com/ladwp/cms/ladwp005310.jsp

Washington
http://www.caseytrees.org/
http://www.dc.sierraclub.org/conservation/trees.htm
http://ddot.dc.gov/ufa/cwp/view,a,1293,q,575501,ufaNav,|32699|.asp

Frankfurt
http://www.frankfurt-interaktiv.de/frankfurt/gruenguertel/stadtwald.html
http://frankfurt.inside-city.de/freizeit/stadtwald/
http://www.frankfurttourismus.de/

Berlin
http://www.stadtentwicklung.berlin.de/umwelt/umweltatlas/edua_index.shtml
http://de.wikipedia.org/wiki/Grunewald_%28Forst%29