Stamp Collecting Guide

Skilling - http://www.skilling.dk/
Specializes in Danish postal history, plus other European and worldwide covers.

Sidney Fenemore - http://www.sidneyfenemore.com/
Sells worldwide covers and postal cards.

Berman's Postal History - http://www.berman.co.uk/
Sells worldwide issues and covers.

CompuStamp - http://www.compustamp.com/
Specializes in worldwide covers.

David Shaw - http://www.davidshawpostalhistory.com/
Specializes in English, Irish, and other worldwide postal history.

Discount Covers - http://www.discountcoverstore.com/
Offers worldwide and thematic covers.

MKS Collectibles - http://www.mkscollectibles.com/
Specializes in U.S. and other worldwide covers.

Jim Forte Postal History - http://www.postalhistory.com/
Specializes in U.S. and worldwide covers.

Aerophil Aerophilately Home Page - http://home.ch.inter.net/aerophil/
Specializes in air crash covers and related aviation literature.

Brookman Cover Specialist - http://www.coverspecialist.com/
Sells U.S. FDCs, Zeppelin-flown pieces, and other worldwide items.

Triple S Postal History - http://www.triple-sonline.com/
Offers worldwide covers and used stationery.

Antonio M. Torres - http://www.antoniotorres.com/
Sells worldwide covers and various classics.

Matthew Day - http://www.prday.net/
Sells FDCs, maritime covers, and other philatelic material.

Burde Enterprises - http://www.burdeent.com/
Offers U.S. and worldwide covers, including FDCs.

Held for Postage - http://www.heldforpostage.com/
Offers U.S. and worldwide covers beginning with Great Britain's 1840 Penny Black.