This page contains links to the websites I have found useful in my research. ***NOTE - some of these are likely to be out of date***
General
http://home.ancestry.co.uk/
https://familysearch.org/search
http://archive.org/
http://www.freereg.org.uk/cgi/Search.pl
http://www.gro.gov.uk/gro/content/certificates/default.asp
http://www.britishnewspaperarchive.co.uk/
http://www.historicaldirectories.org/hd/findbylocation.asp
http://www.curiousfox.com/
http://www.britishorigins.com/
http://www.geograph.org.uk/
http://books.google.co.uk/bkshp?hl=en&tab=wp
http://freepages.genealogy.rootsweb.ancestry.com/~hughwallis/IGIBatchNumbers/CountryEngland.htm
http://www.britishsurnames.co.uk/
http://www.oxforddnb.com/
http://www.historypin.com/
http://www.yourfamilytreemag.co.uk/
http://www.london-gazette.co.uk/
http://rstl.royalsocietypublishing.org/
http://quod.lib.umich.edu/lib/colllist/
http://www.jstor.org/
https://familysearch.org/search
http://archive.org/
http://www.freereg.org.uk/cgi/Search.pl
http://www.gro.gov.uk/gro/content/certificates/default.asp
http://www.britishnewspaperarchive.co.uk/
http://www.historicaldirectories.org/hd/findbylocation.asp
http://www.curiousfox.com/
http://www.britishorigins.com/
http://www.geograph.org.uk/
http://books.google.co.uk/bkshp?hl=en&tab=wp
http://freepages.genealogy.rootsweb.ancestry.com/~hughwallis/IGIBatchNumbers/CountryEngland.htm
http://www.britishsurnames.co.uk/
http://www.oxforddnb.com/
http://www.historypin.com/
http://www.yourfamilytreemag.co.uk/
http://www.london-gazette.co.uk/
http://rstl.royalsocietypublishing.org/
http://quod.lib.umich.edu/lib/colllist/
http://www.jstor.org/
Norfolk
http://www.fadensmapofnorfolk.co.uk/mapBrowser.asp
http://wayland-heritage.blogspot.co.uk/
http://www.norfolk.gov.uk/Leisure_and_culture/Libraries/index.htm
http://www.wellsnextthesea.info/WellsMaps/Directories/Index.html
http://www.norfolkfhs.org.uk/
http://www.norfolk.gov.uk/Leisure_and_culture/Libraries/Local_studies_and_family_history/index.htm
http://norlink.norfolk.gov.uk/02_Catalogue/02_001_Search.aspx?search
http://historic-maps.norfolk.gov.uk/
http://www.hoh.org.uk/
http://www.epitaphorigins.info/
http://www.heritage.norfolk.gov.uk/record-details?uid=MNF1851
http://www.wellsnextthesea.info/WellsHistory/records/index.html
http://www.rootsweb.ancestry.com/~engnfksl/Index.html
http://www.doun.org/transcriptions/index.php
http://www.breckland-rollofhonour.org.uk/index.html
http://freepages.genealogy.rootsweb.ancestry.com/~tinstaafl/Church_Pages/houghton_on_the_hill.htm
http://www.wellsnextthesea.info/WellsHistory/NewsLetters/Newsletters.html
http://freepages.genealogy.rootsweb.ancestry.com/~tinstaafl/index.htm
http://www.norfolkmills.co.uk/Watermills/stiffkey.html
http://www.flickr.com/photos/suewhite/sets/
http://www.writerspost.com/ourfamily/pafg174.htm#4139
http://www.smuggling.co.uk
http://wayland-heritage.blogspot.co.uk/
http://www.norfolk.gov.uk/Leisure_and_culture/Libraries/index.htm
http://www.wellsnextthesea.info/WellsMaps/Directories/Index.html
http://www.norfolkfhs.org.uk/
http://www.norfolk.gov.uk/Leisure_and_culture/Libraries/Local_studies_and_family_history/index.htm
http://norlink.norfolk.gov.uk/02_Catalogue/02_001_Search.aspx?search
http://historic-maps.norfolk.gov.uk/
http://www.hoh.org.uk/
http://www.epitaphorigins.info/
http://www.heritage.norfolk.gov.uk/record-details?uid=MNF1851
http://www.wellsnextthesea.info/WellsHistory/records/index.html
http://www.rootsweb.ancestry.com/~engnfksl/Index.html
http://www.doun.org/transcriptions/index.php
http://www.breckland-rollofhonour.org.uk/index.html
http://freepages.genealogy.rootsweb.ancestry.com/~tinstaafl/Church_Pages/houghton_on_the_hill.htm
http://www.wellsnextthesea.info/WellsHistory/NewsLetters/Newsletters.html
http://freepages.genealogy.rootsweb.ancestry.com/~tinstaafl/index.htm
http://www.norfolkmills.co.uk/Watermills/stiffkey.html
http://www.flickr.com/photos/suewhite/sets/
http://www.writerspost.com/ourfamily/pafg174.htm#4139
http://www.smuggling.co.uk
Ireland
http://www.census.nationalarchives.ie/search/
http://www.groireland.ie/about_us.htm
http://www.nationalarchives.ie/
http://bessbrook.bravehost.com/bessbrook_history.html
http://www.newryabbey.com/bessbrook.html
http://catalogue.nli.ie/
http://www.ireland.anglican.org/
http://www.failteromhat.com/griffithsall.php
http://www.nuim.ie/
http://www.rampantscotland.com/clans/blclanhenderson.htm
http://www.irishroots.net/Cavan.htm
http://www.rootsireland.ie/
http://www.igp-web.com/igparchives/
http://www.irelandoldnews.com/
http://www.eneclann.ie/
http://www.historyfromheadstones.com/index.php?searches
http://www.irishorigins.com/
http://www.irishtimes.com/
http://maps.osi.ie/publicviewer/#V1,639180,818216,5,7
http://www.askaboutireland.ie/griffith-valuation/index.xml
http://www.craigavonhistoricalsociety.org.uk/
http://www.doire.org/login.php?message=loginfailed
http://www.irish-world.com/gravestones/index.cfm
http://www.lennonwylie.co.uk/
http://applications.proni.gov.uk/DCAL_PRONI_WillsCalendar/WillsSearch.aspx
http://www.irishnewsarchive.com/
http://www.irishfamilyresearch.co.uk/logon.asp
http://www.ulsternationalist.freeservers.com/custom2.html
http://www.google.ie/
http://www.kabristan.org.uk/
http://www.genealogy.nationalarchives.ie/
http://titheapplotmentbooks.nationalarchives.ie/search/tab/home.jsp
Belfast:
http://www.belfastdistrictmuseum.co.nz/museumgallery.php?pid=106
http://www.belfastfamilyhistory.com/index.php
http://www.belfasthistory.net/main.html
http://multitext.ucc.ie/viewgallery/1092?slideshow=42
https://ssl.belfastcity.gov.uk/burialsearch/
http://issuu.com/glenravel
http://www.belfastforum.co.uk/index.php/board,89.0.html
Co. Cavan:
http://freepages.genealogy.rootsweb.ancestry.com/~adrian/Cavan.htm
http://www.rootsweb.ancestry.com/~irlcav2/cavan.html
http://www.rootsweb.ancestry.com/~irlcav2/estaterecords.html
http://www.rootsweb.ancestry.com/~irlcav2/surnamelist.html
http://www.rootsweb.ancestry.com/~irlcav2/
http://homepage.eircom.net/~cavanno1/FarnhamEstate.htm
http://www.nli.ie/pdfs/mss%20lists/farnham2.pdf
http://www.genuki.org.uk/contents/CAVcontents.shtml
http://www.cavancoco.ie/home
http://www.farnhamestate.ie
http://www.iol.ie/~galwill/welcome.htm
http://www.libraryireland.com/UlsterDirectory1910/Cavan.php
http://www.failteromhat.com/slater/0172.pdf
http://www.irishidentity.com/extras/places/stories/streets.htm
http://www.cavanmuseum.ie/Default.aspx?StructureID_str=12
http://www.wordwellbooks.com/index.php?page=shop.product_details&category_id=1&flypage=flypage.tpl&product_id=1482&option=com_virtuemart&Itemid=9
http://www.ihpc.ie/ihpc/main/Town.asp?iTownID=51&iCountyID=6
http://www.irishtimes.com/ancestor/fuses/civilparish/index.cfm?fuseaction=GetMap&CityCounty=Cavan
http://www.groireland.ie/about_us.htm
http://www.nationalarchives.ie/
http://bessbrook.bravehost.com/bessbrook_history.html
http://www.newryabbey.com/bessbrook.html
http://catalogue.nli.ie/
http://www.ireland.anglican.org/
http://www.failteromhat.com/griffithsall.php
http://www.nuim.ie/
http://www.rampantscotland.com/clans/blclanhenderson.htm
http://www.irishroots.net/Cavan.htm
http://www.rootsireland.ie/
http://www.igp-web.com/igparchives/
http://www.irelandoldnews.com/
http://www.eneclann.ie/
http://www.historyfromheadstones.com/index.php?searches
http://www.irishorigins.com/
http://www.irishtimes.com/
http://maps.osi.ie/publicviewer/#V1,639180,818216,5,7
http://www.askaboutireland.ie/griffith-valuation/index.xml
http://www.craigavonhistoricalsociety.org.uk/
http://www.doire.org/login.php?message=loginfailed
http://www.irish-world.com/gravestones/index.cfm
http://www.lennonwylie.co.uk/
http://applications.proni.gov.uk/DCAL_PRONI_WillsCalendar/WillsSearch.aspx
http://www.irishnewsarchive.com/
http://www.irishfamilyresearch.co.uk/logon.asp
http://www.ulsternationalist.freeservers.com/custom2.html
http://www.google.ie/
http://www.kabristan.org.uk/
http://www.genealogy.nationalarchives.ie/
http://titheapplotmentbooks.nationalarchives.ie/search/tab/home.jsp
Belfast:
http://www.belfastdistrictmuseum.co.nz/museumgallery.php?pid=106
http://www.belfastfamilyhistory.com/index.php
http://www.belfasthistory.net/main.html
http://multitext.ucc.ie/viewgallery/1092?slideshow=42
https://ssl.belfastcity.gov.uk/burialsearch/
http://issuu.com/glenravel
http://www.belfastforum.co.uk/index.php/board,89.0.html
Co. Cavan:
http://freepages.genealogy.rootsweb.ancestry.com/~adrian/Cavan.htm
http://www.rootsweb.ancestry.com/~irlcav2/cavan.html
http://www.rootsweb.ancestry.com/~irlcav2/estaterecords.html
http://www.rootsweb.ancestry.com/~irlcav2/surnamelist.html
http://www.rootsweb.ancestry.com/~irlcav2/
http://homepage.eircom.net/~cavanno1/FarnhamEstate.htm
http://www.nli.ie/pdfs/mss%20lists/farnham2.pdf
http://www.genuki.org.uk/contents/CAVcontents.shtml
http://www.cavancoco.ie/home
http://www.farnhamestate.ie
http://www.iol.ie/~galwill/welcome.htm
http://www.libraryireland.com/UlsterDirectory1910/Cavan.php
http://www.failteromhat.com/slater/0172.pdf
http://www.irishidentity.com/extras/places/stories/streets.htm
http://www.cavanmuseum.ie/Default.aspx?StructureID_str=12
http://www.wordwellbooks.com/index.php?page=shop.product_details&category_id=1&flypage=flypage.tpl&product_id=1482&option=com_virtuemart&Itemid=9
http://www.ihpc.ie/ihpc/main/Town.asp?iTownID=51&iCountyID=6
http://www.irishtimes.com/ancestor/fuses/civilparish/index.cfm?fuseaction=GetMap&CityCounty=Cavan
Stafford
http://www.bmsgh.org/
http://edwardsce.netfirms.com/freemen/
http://www.genuki.org.uk/big/eng/STS/Stafford/StMary/index.html
http://www.selectsurnames.com/goodwin.html
http://www.mygodwins.com/35051/216131.html
http://www.regia.org/godwins.htm
http://www.staffordshire.gov.uk/Homepage.aspx
http://www.staffsnameindexes.org.uk/startpage.aspx
http://www.staffspasttrack.org.uk/
http://www.stmarysstafford.org.uk/For%20the%20Genealogist/Family_History.htm
http://www.sutherlandcollection.org.uk/
http://www.staffordshire.gov.uk/leisure/archives/williamsalt/home.aspx
http://staffscc.net/shoes1/?cat=18http://www.scribd.com/doc/49493749/Moneyers-of-the-Late-Anglo-Saxon-Coinage-1016-1042
http://places.wishful-thinking.org.uk/STS/Stafford/MIs.html
http://www.blackcountrysociety.co.uk/articles/staffordgaol.htm
http://edwardsce.netfirms.com/freemen/
http://www.genuki.org.uk/big/eng/STS/Stafford/StMary/index.html
http://www.selectsurnames.com/goodwin.html
http://www.mygodwins.com/35051/216131.html
http://www.regia.org/godwins.htm
http://www.staffordshire.gov.uk/Homepage.aspx
http://www.staffsnameindexes.org.uk/startpage.aspx
http://www.staffspasttrack.org.uk/
http://www.stmarysstafford.org.uk/For%20the%20Genealogist/Family_History.htm
http://www.sutherlandcollection.org.uk/
http://www.staffordshire.gov.uk/leisure/archives/williamsalt/home.aspx
http://staffscc.net/shoes1/?cat=18http://www.scribd.com/doc/49493749/Moneyers-of-the-Late-Anglo-Saxon-Coinage-1016-1042
http://places.wishful-thinking.org.uk/STS/Stafford/MIs.html
http://www.blackcountrysociety.co.uk/articles/staffordgaol.htm
Jewish
Merchant & Royal Navy
http://www.crewlist.org.uk/data/data.html
http://www1.rmg.co.uk/
http://www.seayourhistory.org.uk/
http://www.hmsphoebe.co.uk/
http://www.ancestorsonboard.com/
http://www.theshipslist.com/
http://www.rnca.org.uk/node/1117
http://gsn.ncl.ac.uk/?group1=0&shipname=ellen&afteryear=&beforeyear=&p=search
http://www.roll-of-honour.com/Dorset/BournemouthHMSPhoebe.html
http://www.sudburysuffolk.co.uk/ww2/profile.asp?id=590
http://www1.rmg.co.uk/
http://www.seayourhistory.org.uk/
http://www.hmsphoebe.co.uk/
http://www.ancestorsonboard.com/
http://www.theshipslist.com/
http://www.rnca.org.uk/node/1117
http://gsn.ncl.ac.uk/?group1=0&shipname=ellen&afteryear=&beforeyear=&p=search
http://www.roll-of-honour.com/Dorset/BournemouthHMSPhoebe.html
http://www.sudburysuffolk.co.uk/ww2/profile.asp?id=590
Army
http://www.museum.maidstone.gov.uk/_img/pics/library/doc_1264417573.doc
http://www.britains-smallwars.com/Palestine/units.html#army
http://www.warlinks.com/index.php
http://www.britains-smallwars.com/Palestine/units.html#army
http://www.warlinks.com/index.php
Airforce
http://forum.12oclockhigh.net/showthread.php?t=15664
http://host.raf38group.org/218squadron/eiairmen.html
http://www.flightglobal.com/pdfarchive/view/1943/1943%20-%202173.html?search=henderson
http://www.flightglobal.com/pdfarchive/view/1943/1943%20-%200127.html?search=henderson
http://www.hellzapoppin.demon.co.uk/
http://en.wikipedia.org/wiki/No._218_Squadron_RAF
http://www.rafcommands.com/forum/showthread.php?3965-Operation-PANDEMONIUM
http://www.raf.mod.uk/bombercommand/h218.html
http://www.raf.mod.uk/history/218squadron.cfm
http://sas.raf38group.org/forum/index.php
http://host.raf38group.org/218squadron/eiairmen.html
http://www.flightglobal.com/pdfarchive/view/1943/1943%20-%202173.html?search=henderson
http://www.flightglobal.com/pdfarchive/view/1943/1943%20-%200127.html?search=henderson
http://www.hellzapoppin.demon.co.uk/
http://en.wikipedia.org/wiki/No._218_Squadron_RAF
http://www.rafcommands.com/forum/showthread.php?3965-Operation-PANDEMONIUM
http://www.raf.mod.uk/bombercommand/h218.html
http://www.raf.mod.uk/history/218squadron.cfm
http://sas.raf38group.org/forum/index.php