Abies procera
- Physical characteristics, dendrochronology, and ethnobotany of this tree, commonly known as Noble Fir or Red Fir. Includes photo and illustration.
- http://www.conifers.org/pi/ab/procera.htm

Abies procera (Noble Fir)
- Habitat, native range, climate, associated forest cover, and detailed facts on reproduction and growth. Discusses human uses and genetics.
- http://www.na.fs.fed.us/spfo/pubs/silvics_manual/Volume_1/abies/procera.htm