The Royal Philatelic Society of Canada |
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The British North America Philatelic Society |
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The Postal History Society of Canada |
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The Canadian Philatelic Society of Great Britain |
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The Royal Philatelic Society, London |
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The American Philatelic Society |
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The Collectors Club of New York |
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American Association of Philatelic Exhibitors |
www.aape.org/index.asp |
The Canadian Aerophilatelic Society |
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| Philatelic Information on the Web |
http://www.philatelics.org/ |
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The Vincent Graves Greene Philatelic Research Foundation |
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The Canadian Postal Archives |
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| The Canadian Postal Museum |
http://www.civilization.ca/cpm/cpme.asp |
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Smithsonian National Postal Museum |
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