Norway
– The National Archives of Norway – https://www.arkivverket.no/en
– The Digital Archives – https://digitalarkivet.no/en/
– The Digital Archives – Help – https://www.digitalarkivet.no/en/content/help
– The Old Digital Archives – http://gda.arkivverket.no/cgi-win/WebMeta.exe?spraak=e
– Digitized Parish Registers – https://media.digitalarkivet.no/en/kb/browse
– The Norwegian Historical Data Centre (NHDC) – http://www.rhd.uit.no/indexeng.html
– The Documentation Project – http://www.dokpro.uio.no/engelsk/index.html
– FamilySearch – https://familysearch.org
– Emigrants – https://digitalarkivet.no/en/ – Find source – Emigration records
– Probate records – https://media.digitalarkivet.no/en/sk/browse
– Digitized Real Estate Registers – https://media.digitalarkivet.no/en/tl/pbok/browse
– City Directories Kristiania/Oslo og Aker – https://digitalarkivet.no/en/ – Miscellaneous sources – Address books
– Cemeteries in Norway – http://www.disnorge.no/gravminner/index.php
– Norway-Heritage – http://www.norwayheritage.com
– Emigration from Selbu and Tydal – http://www.granby.no/tng/

Norwegian Calendar
– Youronlineroots.com – http://youronlineroots.com/helligdager.php
– Trinitatis.no – http://trinitatis.no

Land Registry
– Search Land Registry – https://media.digitalarkivet.no/tl/preg/search
– Scanned Land Records – https://media.digitalarkivet.no/tl/preg/browse

Maps
– Maps – https://kart.finn.no
– Maps – http://www.seeiendom.no

Gothic script and Dictionary
– Gothic script – http://www.hist.uib.no/gotisk/
– Norwegian Genealogical Word List – https://www.familysearch.org/wiki/en/Norwegian_Genealogical_Word_List

Denmark
– Dansk Demografisk Database – http://ddd.dda.dk
– Minder om danske krigere 1848-50 og 1864 – http://gravminder.blogspot.dk
– Det Danske Udvandrerarkiv – http://www.udvandrerarkivet.dk

Great Britain
– Find My Past – http://www.findmypast.co.uk

USA/Canada
FamilySearch – https://familysearch.org
Rootsweb – http://www.rootsweb.ancestry.com
Stephen P. Morse – http://www.stevemorse.org
Ellis Island – http://www.libertyellisfoundation.org
Rowberg Index – http://www.naha.stolaf.edu/archivesdata/rowberg/index.cfm
Ancestry – http://home.ancestry.com
Ancestry Trees – http://trees.ancestry.com
Ancestry; Wild cards and how they are used – http://ancestry.custhelp.com/app/answers/detail/a_id/1235
ELCA Archives files – http://search.ancestry.com/search/db.aspx?dbid=60722
GenealogyBank – http://www.genealogybank.com
Fold3 – http://www.fold3.com
Archives.com – http://www.archives.com
Cyndi’s List – http://www.cyndislist.com

Illinois
– Illinois Historical Society – http://www.historyillinois.org
– Counties – http://www.ilgenealogy101.com/county-records/
– Sources – http://www.archives.com/genealogy/records-illinois.html
– Vital Records – https://www.familysearch.org/learn/wiki/en/Illinois_Vital_Records
– Illinois, County Marriages, 1810-1934 – https://familysearch.org/search/collection/1803970

Iowa
– State Historical Society of Iowa – http://www.iowahistory.org

Minnesota
– Minnesota Historical Society – http://www.mnhs.org

Wisconsin
– Wisconsin Historical Society – http://www.wisconsinhistory.org

South Dakota
– South Dakota State Historical Society – http://history.sd.gov
– South Dakota Digital Archives – http://sddigitalarchives.contentdm.oclc.org

North Dakota
– State Historical Society of North Dakota – http://www.history.nd.gov

Canada
– Library and Archives Canada – http://www.collectionscanada.gc.ca/index-e.html

Google search
– How To Be A Google Power User – http://www.makeuseof.com/tag/google-power-user/

Books to read
– Emigrants and Expats: A Guide to Sources on UK Emigration and Residents Overseas (Public Record Office Readers Guide) by Roger Kershaw.
– Immigrants and Aliens. A Guide to Sources on UK Immigration and Citizenship. By: Mark Pearsall, Roger Kershaw.
My Ancestor Was A Merchant Seaman by Christopher T Watts.
Tracing Births, Marriages and Deaths at Sea (My Ancestor Series) by Christopher Watts (Author), Michael Watts (Author). Kindle Edition.