QThat Colchester match was the one I mentioned - I seem to remember the weather was pretty awful that day.
I was also at one of those matches with Barnet, think it was the earlier one which I seem to remember finished 1-1.
Both Merthyr and Aberdare had Football League sides for a while in the 20s and 30s I believe, but I don't think the gates were great for either club and they didn't survive the Great Depression.