WCG annual reports prior to 2004 are available through the WCG Archives at the Smithsonian Institution.
Annual reports between 2004 and 2011 are available online as PDF files:
- WCG Annual Report for 2004
- WCG Annual Report for 2005
- WCG Annual Report for 2006
- WCG Annual Report for 2007
- WCG Annual Report for 2008
- WCG Annual Report for 2009
- WCG Annual Report for 2010 (unavailable)
- WCG Annual Report for 2011
