Looking for a few from the 70s and 80s, although most are rarer and fairly difficult to come across. I'll post the list anyway!
SCFC Homes
71/72 vs. Wrexham (15/2) Postponed
72/73 vs. Watford (16/12) Postponed
74/75 vs. Cambridge (25/1) Postponed
75/76 vs. Cardiff Corries (Date Unknown) Welsh Cup
76/77 vs. Stockport (4/2) & Huddersfield (19/2) Both Postponed
79/80 vs. Luton (18/1) Postponed, Pontllanfraith (22/1) Welsh Cup
80/81 vs. Watford (15/11), Luton (21/3) Both Postponed, Caerleon (22/12) Welsh Cup
81/82 vs. Colwyn Bay (9/2) & (2/3) Welsh Cup
82/83 vs. Colwyn Bay (22/3) Welsh Cup
83/84 vs. Bangor City (Date Unknown) & Barry (21/2) Welsh Cup
84/85 vs. Bristol City (18/1) & (17/5), Spencer Works (4/12) Welsh Cup
85/86 vs. Walsall (4/1)
89/90 vs. Orient (29/1) Postponed
SCFC Aways
70/71 vs. Plymouth (13/2), Llanidloes (Unknown) Welsh Cup
71/72 vs. Oldham (7/3) Postponed, Port Vale (18/3), Wrexham (29/4)
72/73 vs. Margate (18/11) FA Cup, Walsall (30/12) Postponed, Rochdale (12/3), Wrexham (7/4)
73/74 vs. Exeter (22/

League Cup & (27/4)
74/75 vs. Kidderminster (Unknown) Welsh Cup, Exeter (12/10), Northampton (16/10), Southport (10/1), Barnsley (22/4)
76/77 vs. Barnsley (12/2)
77/78 vs. Darlington (3/9), Southend (12/9), Barnsley (21/1) Postponed, Grimsby (11/2) Postponed, Rochdale (27/2), Barnsley (11/4)
78/79 vs. Shrewsbury (23/12), Tranmere (19/1) Postponed, Walsall (20/2)
80/81 vs. Derby (14/3) Postponed & (31/3)
81/82 vs. Middlesbrough (19/12) Postponed
83/84 vs. Leeds (15/2)
84/85 vs. Wigan (30/4)
85/86 vs. Derby (2/10), Sully Sports (15/1) Welsh Cup, Wigan (18/1), Kidderminster (26/2) Welsh Cup, Haverfordwest (Unknown) Welsh Cup
87/88 vs. Stockport (15/

, Darlington (19/12), Torquay (29/3)
89/90 vs. Panathinaikos (13/9) ECWC, Brentford (24/4) Postponed