Brigg by-election, 1948
The by-election was triggered by the resignation of the constituency's Labour Party Member of Parliament (MP) Tom Williamson, a trade union leader who had held the seat since the 1945 general election.
- Craig, F. W. S. (1983) . British parliamentary election results 1918-1949 (3rd ed.). Chichester: Parliamentary Research Services. ISBN 0-900178-06-X.
- Leigh Rayment's Historical List of MPs – Constituencies beginning with "B" (part 5)