Denmark
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Frimærkekatalog og studiekreds (Peter Porsgaard-Larsen - Denmark) stamp.porsgaard-larsen.com Catalogue and study group of Danish stamps |
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frimindeks (Per Thogersen - Denmark) www.frimindeks.dk Web catalogue for collectors with stamps from Denmark and Greenland |
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Stamps of British India (Michael Andersen - Denmark) home19.inet.tele.dk/indiastamps/ The use of British Indian Stamps |