I have now found a discography at http://www.sarcon.demon.co.uk/engfolk/21/nic_jones.htm
The following songs which I have on tape do not seem to appear on the discography unless under a different name:
Lass of Lochroyal
White Copper Alley
Isle of St Helena
Clyde Water (William & Fair Margaret)
Paddy & the whale
Trooper Laddy (came here last night)
Strike the Bell
Rufford Park (Poachers)
Glencoe