• The Digital Archives (Digitalarkivet) – https://www.digitalarkivet.no/en/
• Digitized Parish Registers (Skanna kirkebøker) – https://media.digitalarkivet.no/en/kb/browse
• The Norwegian Historical Data Centre (NHDC, Registreringssentral for historiske data) – https://www.rhd.uit.no/indexeng.html
• The Documentation Project (Dokumentasjonsprosjektet) – https://www.dokpro.uio.no/engelsk/index.html
• FamilySearch – https://familysearch.org
• Norway-Heritage – http://www.norwayheritage.com
• Gothic script – https://www.hist.uib.no/gotisk/
• The National Library – https://www.nb.no/en/the-national-library-of-norway/

 

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.