It contains 45 articles written by him between 1943 and 1989 for the Socialist Standard. Also a pamphlet against war that he wrote in 1922 for the Young Communist League of which he was then a leading member.
Email received from Andrew Whitehead, former BBC radio journalist:
I now have a page of my website devoted to Harry Young, including the audio of two long interviews I did with him and of two radio programmes in which I had no role but which featured Harry.
Added to the Harry Young Marxist Internet Archive article on the old “International Marxist Group” (IMG) manifesto for the February 1974 General Election:
“The working class cannot be “better off”. They can either be slaves or free.”
I think the SPGB has been using radical republican tropes all the way through it’s existence, even if it may not have consciously labelled them as such.