^Mason, Tom. (1947) The Story of Southgate. Enfield: Meyers Brooks. p. 55.
^Greater London Street Atlas. Geographia, London, August 1986 edition. p. ISBN 0092027903
^London Topographical Society. (1994) Topography of London: Facsimile of John Lockie's Gazetteer 1813. London: London Topographical Society. Map. ISBN 0902087398
^Hewlett, Jan; Ian Yarham & David Curson. (1997) Nature Conservation in Barnet. Ecology Handbook No. 28. London: London Ecology Unit. p. . ISBN 1871045274
^Berkeley, Roy. (1994) A Spy's London. London: Leo Cooper. p. 100. ISBN 0850521130
^Honour, H. and J. Fleming, (2009) A World History of Art. 7th edn. London: Laurence King Publishing, p. 100. ISBN 9781856695848
^Janson, H.W. (1995) History of Art. 5th edn. Revised and expanded by Anthony F. Janson. London: Thames & Hudson, p. 100. ISBN 0500237018
^Mellersh, H.E.L. (1999) The Hutchinson chronology of world history. Volume 1. The ancient and medieval world: Prehistory – AD 1491. Oxford: Helicon, p. 100. ISBN 1859862810
^Fosbrooke, T.D. (1819) An Original History of the City of Gloucester. Reprint, Gloucester: Alan Sutton Publishing, 1986, p. 100. ISBN 0862993156
^Bateman, Robert. Stamp collectors' Who's Who. London: Stanley Gibbons, 1960, p. 100.
^Bierman, Stanley M. The World's Greatest Stamp Collectors. New York: Frederick Fell Publishers Inc., 1981, p. 100. ISBN 0811903478
^ abcCarlton, R. Scott. The International Encyclopaedic Dictionary of Philately. Iola WI: Krause Publications, 1997, p. 100. ISBN 0873414489 Cite error: The named reference "scott" was defined multiple times with different content (see the help page).
^Courtney, Nicholas. (2004) The Queen's Stamps: The Authorised History of the Royal Philatelic Collection. London: Methuen. p. 100. ISBN 9780413772284
^de Worms, Percy. The Royal Philatelic Society London 1869 - April 10th - 1919. Bath: 1919, p. 100.
^Mackay, James. Stamp Collecting: Philatelic Terms Illustrated. 4th edition. London: Stanley Gibbons, 2003, p. 100. ISBN 0852595573
^ abMackay, James. The Guinness Book of Stamps Facts & Feats. 1st edition. London: Guinness Superlatives Limited, 1982, p. 100. ISBN 0851122418 Cite error: The named reference "mackay" was defined multiple times with different content (see the help page).
^Patrick, Douglas & Mary. The Hodder Stamp Dictionary. London: Hodder & Stoughton, 1973, p. 100. ISBN 0340171839
^Phillips, Stanley. Stamp Collecting: A guide to modern philately. Revised edition. London: Stanley Gibbons, 1983, p. 100. ISBN 0852590474
^Rogers-Tillstone, Capt. B. The Royal Philatelic Society London 1869-1969. London: Royal Philatelic Society, 1969, p. 100. ISBN 0900631007
^Rossiter, Stuart & John Flower. The Stamp Atlas. London: Macdonald, 1986, p. 100. ISBN 0356108627
^Schofield, Brian. Who Was Who in British Philately. London: British Philatelic Trust, 2003, p. 100. ISBN 1871777143
^Sutton, R.J. & K.W. Anthony. The Stamp Collector's Encyclopaedia. 6th edition. London: Stanley Paul, 1966, p. 100.
^Tyler, Varro E. Focus on Forgeries: A Guide to Forgeries of Common Stamps. 2nd ed. Sidney, Ohio: Linn's Stamp News & Amos Press, 2000, p. 100. ISBN 0940403889
^Tyler, Varro E. Philatelic Forgers: Their Lives and Works. London: Robson Lowe Ltd., 1976, p. 100. ISBN 0853970521
^Tyler, Varro E. Philatelic Forgers: Their Lives and Works. Revised edition. Sidney, Ohio: Linn's Stamp News, 1991, p. 100. ISBN 0940403374
^Williams, L.N. & M. Fundamentals of Philately. State College: The American Philatelic Society, 1971, p. 100.
^Williams, L.N. & M. (1949) Stamps of Fame. London: Blandford Press. p. 100.
^Youngblood, Wayne L. All about Stamps. Iola WI: Krause Publications, 2000, p. 100. ISBN 0873419634
^Anyon, Alan D. Handbook of Colombian Revenue Stamps. Bogota, Colombia: COLOMPHIL, Colombian Philatelic Research Society, 2009, p. 100. ISBN 9789584450920
^Barefoot, John., ed. South East Asia Revenues. York, United Kingdom: J. Barefoot Ltd., 2006, p. 100. ISBN 0906845653
^ abBarefoot, John., ed. Great Britain Revenues. 4th edition. York, United Kingdom: J. Barefoot Ltd., 2002, p. 100. ISBN 0906845629 Cite error: The named reference "barefoot" was defined multiple times with different content (see the help page).
^Stanley Gibbons Stamp Catalogue: Commonwealth and British Empire Stamps 1840-1970. 111th edition. London: Stanley Gibbons, 2009, p. 100. ISBN 0852596839
^Stanley Gibbons Stamp Catalogue: Commonwealth and British Empire Stamps 1840-1970. 112th edition. London: Stanley Gibbons, 2010, p. 100. ISBN 0852597312
^Stanley Gibbons Stamp Catalogue: Commonwealth and British Empire Stamps 1840-1970. 115th edition. London: Stanley Gibbons, 2012, p. 100. ISBN 9780852598511
^Stanley Gibbons Stamp Catalogue: Commonwealth and British Empire Stamps 1840-1970. 121st edition. London: Stanley Gibbons, 2019, p. 100. ISBN 9781911304289
^Stanley Gibbons Stamp Catalogue: Commonwealth and British Empire Stamps 1840-1970. 123rd edition. London: Stanley Gibbons, 2021, p. 100. ISBN 9781911304784
^Stanley Gibbons Stamp Catalogue Part 13 Africa since Independence F-M. 1st edition. London: Stanley Gibbons, 1981, p. 100. ISBN 0852591764
^Stanley Gibbons Stamp Catalogue Part 14 Africa since Independence N-Z. 1st edition. London: Stanley Gibbons, 1981, p. 100. ISBN 0852591810
^Stanley Gibbons Stamp Catalogue Part 2 Austria & Hungary. 6th edition. London: Stanley Gibbons, 2002, p. 100. ISBN 0852595271
^Stanley Gibbons Stamp Catalogue Part 3 Balkans. 5th edition. London: Stanley Gibbons, 2009, p. 100. ISBN 0852597118
^Stanley Gibbons Stamp Catalogue Part 4 Benelux. 5th edition. London: Stanley Gibbons, 2003, p. 100. ISBN 0852595433
^Stanley Gibbons Stamp Catalogue: Brunei, Malaysia & Singapore. 2nd edition. London: Stanley Gibbons, 2004, p. 100. ISBN 0852595824
^Stanley Gibbons Stamp Catalogue Part 17 China. 7th edition. London: Stanley Gibbons, 2006, p. 100. ISBN 0852596391
^Stanley Gibbons Stamp Catalogue: Cyprus, Gibraltar & Malta. 1st edition. London: Stanley Gibbons, 2004, p. 100. ISBN 0852595840
^Stanley Gibbons Stamp Catalogue Part 5 Czechoslovakia & Poland. 6th edition. London: Stanley Gibbons, 2002, p. 100. ISBN 0852595298
^Stanley Gibbons Stamp Catalogue Part 7 Germany. 7th edition. London: Stanley Gibbons, 2005, p. 100. ISBN 0852595980
^Stanley Gibbons Great Britain Specialised Stamp Catalogue, Volume 1: Queen Victoria. 13th edition. London & Ringwood: Stanley Gibbons, 2004, p. 100. ISBN 0852595565
^Stanley Gibbons Great Britain Specialised Stamp Catalogue, Volume 3: Queen Elizabeth II Pre-Decimal Issues. 11th edition. Stanley Gibbons, London & Ringwood, 2006, p. 100. ISBN 0852596022
^Stanley Gibbons Great Britain Concise Stamp Catalogue. 23rd edition. Stanley Gibbons, London & Ringwood, 2008, p. 100. ISBN 0852596774
^Stanley Gibbons Stamp Catalogue Part 8 Italy & Switzerland. 6th edition. London: Stanley Gibbons, 2003, p. 100. ISBN 0852595549
^Stanley Gibbons Stamp Catalogue Part 9 Portugal & Spain. 5th edition. London: Stanley Gibbons, 2004, p. 100. ISBN 0852595670
^Stanley Gibbons Stamp Catalogue Part 10 Russia. 6th edition. London: Stanley Gibbons, 2008, p. 100. ISBN 0852596529
^Stanley Gibbons Stamp Catalogue: Part 19 Middle East. 6th edition. London: Stanley Gibbons, 2005, p. 100. ISBN 085259576X
^Stanley Gibbons Stamp Catalogue: Part 20 South America. 4th edition. London: Stanley Gibbons, 2008, p. 100. ISBN 9780852596937
^Stanley Gibbons Stamp Catalogue: Part 21 South-East Asia. 4th edition. London: Stanley Gibbons, 2004, p. 100. ISBN 0852595638
^Stanley Gibbons Stamp Catalogue: North East Africa. London: Stanley Gibbons, 2013, p. 100. ISBN 9780852598764
^Stanley Gibbons Stamp Catalogue: Indian Ocean. 1st edition. London: Stanley Gibbons, 2006, p. 100. ISBN 0852596367
^Stanley Gibbons Stamp Catalogue: Southern Africa. 2nd edition. London: Stanley Gibbons, 2007, p. 100. ISBN 0852596545
^Stanley Gibbons Simplified Catalogue of Stamps of the World. 71st edition. London: Stanley Gibbons, 2005, p. 100. ISBN 0852596030