1. Canadian progress toward SFM system certification;Abusow;Forestry Chronicle,1998
2. American Forest and Paper Association, 1999. SFI: 4th Annual Progress Report. Washington DC: American Forest and Paper Association's SFI program
3. American Forest and Paper Association, 2000a. Fifth Annual Progress Report. Washington, DC: SFI Program
4. American Forest and Paper Association, 2000b. Fraser 3rd Party Certifies all its Forestlands: Lands in Canada First Outside U.S. to be Independently Audited under SFIsm. Washington DC: American Forest and Paper Association's SFI Program
5. American Forest and Paper Association, 2000c. SFISM AFF's American Tree Farm System® and AF&PA's Sustainable Forestry Initiative (SFI)SM Program Collaborate to Expand the Practice of Sustainable Forestry. Washington DC: American Forest and Paper Association's SFI Program