This is what I have transcribed so far:

From
THE SINGING TRADITION OF CHILD'S TRADITIONAL BALLADS
Bronson - 1976

1.1 A Riddle Wisely Expounded
1.3 There was a Lady in the West
1.4 The Three Sister
1.5 The devil's Nine Questions

2.1 The Laird of Elfin
2.3 Redio-Tedio
2.6 Scarborough fair
2.15 The Tasks
2.22 Whittingham Fair
2.23 Strawberry Lane
2.31 The Sea side or The Elfin Knight
2.35 The Lover's Tasks
2.53 An Acre of Land

3.1 The False Knight
3.1a The False Knight and the Wee Boy
3.5 The False Knight upon the Road
3.7 The false Knight upon the road
3.8 The False Knight upon the Road

4.28a The Outlandish Knight
4.30 The Outlandish Knight
4.40 The Outlandish Knight
4.56 The Outlandish Knight
4.61 Pretty Polly
4.67 Lady Isabel and the Elf Knight
4.81 un-named
4.83 May Colvin
4.95 The Knight and the Chief's Daughter
4.98 Pretty Polly
4.101 Pretty Polly
4.106 Laddy Isabel and the Elf Knight
4.124 The King's Seven Daughters
4.127 Six King's Daughters
4.130 The Outlandish Knight
4.135 Lady Isabel and the Elf Knight

5.1 Chil' Brenton
5.2 Lord Bengwill or, Lord Bingwell
5.3 Aye the Birks a-bowing or Lord Dingwall

7.1b The Brave Earl Brand and the King of England's Daughter
7.3 The Douglas Tragedy
7.11 Earl Brand
7.23 Earl Brand
7.25 Lord Douglas
7.37 Sweet William and Fair Ellen

9.1 The Heiress of Northumberland
9.4 The Flower o' Northumberland
9.5 The Flower of Northumberland
9.6 The Flower of Northumberland

10.7 Binnorie or The Cruel Sister
10.13.2 The Two Sisters
10.28 The Two Sisters
10.35 The Two Sisters
10.42 The Two Sisters
10.49 There was a Squire of High Degree
10.50 The Two Sisters
10.53 The Two Sisters
10.55 The Two Sisters
10.61 The barkshire Tragedy
10.67 The Two Sisters
10.79 The Cruel Sister
10.81 There lived twa Sisters
10.83 The Swan Swims so Bonny, O

11.1 There waur three Ladies in a Ha'
11.4 The Cruel Brother
11.6 The Three Maids
11.9 Flowers of the Valley

12.1 Lord Ronald my son
12.8 Lorendo
12.14 Lord Randal
12.24 Lord Ronald
12.31 Lord Ronald
12.33 Lord Ronald, my son
12.35.1 Lord Ranald
12.35.2 Lord Randal
12.43 Lord Ronald
12.43.2 Lord Donald
12.48 Lord Randal
12.53 Lord Randal
12.60 Where were you all the day, my own pretty boy
12.72 Lord Ronald my Son
12.84 Lord Rendal
12.90 Lord Rendal
12.94 Henry, my son
12.97 King Henry, my Son
12.98 Willie Doo
12.99 The wee little crodin'doo

12.ap.2 My Boy Tommy,O
12.ap.6 Billy Boy
12.ap.15 My boy Willy
12.ap.20 Billy Boy

13.2 Edward
13.3.2 Son David

I have a few others where I've done the text but not tune