There are many sites related to the locomotive, organisations who research and support the NER, the LNER and BR in the north east of England, kindred spirits who preserve and maintain locomotives and heritage railways who give pleasure to thousands of people. Some of these sites are shown below - if I have forgotten any please let me know and I'll add the link:-
NER Encyclopaedia - www.lner.info
North East Railway Association (NERA) - http://www.ner.org.uk
North Tyneside Steam Railway www.ntsra.org.uk
Weardale Railway - www.weardale-railway.org.uk
Wensleydale Railway - www.wensleydalerailwayassociation.com
Tanfield Railway - www.tanfield-railway.co.uk
Aln Valley Railway - www.alnvalleyrailway.co.uk
Iowa Pacific Holdings - www.iowapacific.com
Boro Foundry - www.borofoundry.co.uk
South Devon Railway - www.southdevonrailway.co.uk/sdr-engineering
Lincoln Crankshaft and Machine www.lcandm.co.uk
Procast Foundry Ltd. - www.procast.co.uk
Valley View Holiday Cottage - "10% discount to Friends of the G5" - www.valleyviewstocksfield.co.uk