↑ "Rare stamp sells for record price in Geneva auction". BBC News. 22 May 2010. සම්ප්‍රවේශය 24 May 2010.↑ Feldman, David (1993), Prices Realised for Public Auction November 1-6 November 1993, Prces Realised, Zurich: David Feldman, p. 1 Cabeen, Richard McP. (1979). Standard Handbook of Stamp Collecting. Chicago: Collectors Club of Chicago. ISBN 0-690-01773-1.Nankivell, Edward J. (2007). Stamp Collecting as a Pastime: Stanley Gibbons Philatelic Handbooks (1902). UK: Dodo Press. ISBN 1-4065-3058-1. Free download here.බාහිර සබැදි[සංස්කරණය]LearnAboutStamps.com A resource for stamp collectorsCaring for stamps & postal history සංරක්ෂණය කළ පිටපත 2008-07-05 at the Wayback Machine British Postal Museum & Archive Information SheetPhilatelic Dictionary English - German - FrenchStampNews.com Provides updates on new stamp issues and stamp collecting from around the world."Stamp Story" A 1955 information film about stamp collecting.ඩැනියල් ක්‍රේග්ඩැනියෙල් ක්‍රේග් ස්කයි ෆෝල් මංගල දර්ශ