Here are some helpful resources for stamp collectors:
- The Royal Philatelic Society of Canada (RPSC)
- Canadian Stamp New
- Stamp World
- Mystic Stamps
- ESJ vanDam
- Canada, USA, Provinces
- www.theswedishtiger.com
- http://www.weeda.com
- www.arpinphilately.com
- www.germanstamps.net
- www.stamps.org
- http://www.postalhistorycanada.net
- www.stanleygibbons.com
- http://www.bnaps.org
- http://www.linns.com
- Armstrong Stamps
- Connoisseur Catalogue(Great Britain Machins)