It is amazing the different values we put on songs. Bill House sang his father's version of 'One night as I lay on my bed' and said I didn't think that much of it! A retired ploughman sang 'The nutting girl' to me and my wife and announced that he only sang it after the vicars wife had rewritten it.
Clive has asked me to find the original files for all Collinson's books with a view to republishing. If anybody has details of the original publisher that would be a start.