[1] At the 1951 general election Robertson stood as the Labour candidate in the marginal Conservative-held seat of Glasgow Scotstoun, losing by 625 votes.
[2] He was elected to the House of Commons ten years later at the 1961 by-election in the Paisley constituency, following the appointment of sitting MP Douglas Johnston as a judge in the Court of Session.
The SLP emerged as a left-wing split from the mainstream Labour Party over distrust about how strong the then Labour government's stated commitment to Scottish devolution was in reality.
The Scottish Labour Party was officially disbanded in 1981, after failing to win any seats at the 1979 general election.
This article about a Labour Party member of Parliament representing a Scottish constituency is a stub.