Silvics of North America
- http://www.na.fs.fed.us/spfo/pubs/silvics_manual/table_of_contents.htm
- Compendium of research papers describing the characteristics and distribution of important broadleaf and coniferous forest trees of the United States and Canada, plus many of the native and naturalized trees of Mexico, the Caribbean Islands, and Hawaii. Compiled over several decades by USDA Forest Service scientists.
The Ancient Bristlecone Pine
- http://www.sonic.net/bristlecone/
- Dedicated to the oldest-known living tree, growing in the White Mountains in east central California. Information about the location, dendrochronology, photo gallery, and bibliography.
