Researching Railway Workers (General)
The National Archives
Railway workers - further research
http://www.nationalarchives.gov.uk/documents/research-guides/railway-staff.pdf
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George's brother William - christened 1824 in Mitcheldean - is on the 1851 census, Buckinghamshire, Buckingham, Cow Fair - age 26 - unmarried, Blacksmith & Journeyman - born Mitcheldean, Gloucestershire - transcribed on Ancestry as Micheldever