Wouldn't you know it, another Google search seems to have found the answer. For those who are interested, here's the setlist:

Elizabeth Cotten / 1975-02-19 Portland, Euphoria Tavern / Disk 1
tracks: 14
total time: 47:26
year: 1975
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1. 2:19 101-intro
2. 4:18 102-Oh Babe, It Ain't No Lie
3. 2:44 103-Lay My Burden Down
4. 3:27 104-Washington Blues
5. 4:28 105-Gaslight Blues
6. 6:24 106-Seeger story
7. 4:12 107-Vastopol
8. 3:17 108-turkey story
9. 1:58 109-intro
10. 4:28 110-Spanish Flang Dang
11. 1:14 111-?
12. 2:30 112-radio announcement
13. 3:19 113-Honey Babe Your Papa Cares For You
14. 2:44 114-Jesus Lifted Me (cut)

Elizabeth Cotten / 1975-02-19 Portland, Euphoria Tavern / Disk 2
tracks: 18
total time: 48:06
year: 1975
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1. 0:43 201-Oh How I Love Jesus
2. 2:18 202-?
3. 0:50 203-intro
4. 3:32 204-Freight Train
5. 3:25 205-Happy New Year intro
6. 3:09 206-New Year's Eve
7. 4:19 207-guitar story
8. 3:23 208-Wilson Rag
9. 4:25 209-Going Down The Road Feeling Bad
10. 1:09 210-Blues > church story
11. 2:40 211-Ball The Jack
12. 0:13 212-banjo
13. 1:44 213-banjo story
14. 4:51 214-Georgie Buck > Here Old Rattler Here
15. 1:22 215-?
16. 2:30 216-?
17. 2:37 217-What A Friend I Have In Jesus
18. 4:54 218-Shake Sugaree