Sberatel
Welcome to the website for the international fair for postage stamps, coins, phone cards, minerals, and the hobby and art of collecting – the largest gathering of collectors of its kind in central and eastern europe.
http://www.sberatel.info/en.html
Postzegeljournaal
Postzegeljournaal
http://www.postzegeljournaal.nl/index.php?option=com_taxonomy&tag=stamps&view=tag&limitstart=50
Philaguide
Philaguide
http://www.philaguide.com/philawords
Phstamps
Phstamps
http://www.phstamps.com/links.htm
Filatelie
Filatelie
http://filatelie.hids.nl/Collectors-Foreign.htm
Danish Collectors
Here you find knowlegdeable danish collectors who might have an answer to your query on danish stamps or postal history
http://www.norbyhus.dk/dklist.html