Here is the information from Vol. 2:

THE CHERRY-TREE CAROL—B
Husk, Songs of the Nativity, p. 59, from a Worcester broadside of the last century. b. Hone's Ancient Mysteries, p. 90, from various copies. c. Sylvester, A Garland of Christmas Carols, p. 45. d. Birmingham chap-book, of about 1843, in B. Harris Cowper's Apocryphal Gospels, p. xxxviii.

THE CARNAL AND THE CRANE
a. Sandys, Christmas Carols, p. 152, Christmastide, p. 246, from a broadside. b. Husk, Songs of the Nativity, p. 97, apparently from a Worcester broadside. c. Birmingham chap-book, of about 1843, in B. Harris Cowper's Apocryphal Gospels, p. xli. [Child says: "Mr Husk, who had access to a remarkably good collection of carols, afterwards unfortunately dispersed, had met with no copy of 'The Carnal and the Crane' of earlier date than the middle of the last century (1700)."]

DIVES AND LAZARUS—A
a. Sylvester, A Garland of Christmas Carols, p. 50, from an old Birmingham broadside. b. Husk, Songs of the Nativity, p. 94, from a Worcestershire broadside of the last century.

SIR PATRICK SPENS—A
a. Percy's Reliques, 1765, I, 71: "given from two MS. copies, transmitted from Scotland." b. Herd's Scots Songs, 1769, p. 243.
SIR PATRICK SPENS—B
Herd's MSS., II, 27, I, 49.
SIR PATRICK SPENS—H
Minstrelsy of the Scottish Border, III, 64, ed. 1803; I, 299, ed. 1833; "taken from two MS. copies, collated with several verses recited by the editor's friend, Robert Hamilton, Esq., Advocate." [Child says: "...H, was made up from two versions, the better of which was G, and five stanzas, 16-20, recited by Mr Hamilton, sheriff of Lanarkshire. Mr Hamilton is said to have got his fragment "from an old nurse, a retainer of the Gilkerscleugh family," when himself a boy, about the middle of the last century."]

SIR ALDINGAR—A
Percy MS., p. 68; Hales and Furnivall, I, 166. [1775]
SIR ALDINGAR—B
Minstrelsy of the Scottish Border, III, 51, 1803. Communicated to Scott by K. Williamson Burnet, of Monboddo, as written down from the recitation of an old woman, long in the service of the Arbuthnot family.

FAIR ANNIE—A
Minstrelsy of the Scottish Border, II, 102, 1802, chiefly from the recitation of an old woman residing near Kirkhill, in West Lothian.
FAIR ANNIE—D
Herd, The Ancient and Modern Scots Songs, 1769, p. 307.
FAIR ANNIE—E
Jamieson-Brown MS., fol. 20; Jamieson's Popular Ballads, II, 371. [1783]

CHILD WATERS—A
Percy MS., p. 274; Hales and Furnivall, II, 269.
CHILD WATERS—B
a. Jamieson's Brown MS., fol. 22, taken down from Mrs Brown's recitation before 1783. b. A. Fraser Tytler's Brown MS., No 9, as recited by Mrs Brown in 1800.
CHILD WATERS—E
Harris MS., No 8, fol. 12 b: originally from Jannie Scott, an old nurse in Perthshire, about 1790.

FAIR JANET—C
Herd's Scots Songs, 1769, p. 303: I, 162, ed. 1776.

LADY MAISRY—A
Jamieson-Brown MS., fol. 24.

LORD INGRAM AND CHIEL WYET—C
Herd's MSS, I, 169, II, 84. Jamieson's Popular Ballads, II, 265.

GLASGERION—A
Percy MS., p. 94; Hales and Furnivall, I, 248. [1765]

YOUNG HUNTING—A
a. Herd's MSS, I, 182; b. the same, II, 67.
YOUNG HUNTING—G
Herd's MSS, I, 34; Herd's Scottish Songs, 1776, I, 148.
YOUNG HUNTING—J
Scott's Minstrelsy, II, 42, 1802, and III, 184, 1833, from Herd's copies (A, G), and from tradition.

CLERK SAUNDERS—A
Herd's MSS, a, I, 177; b, II, 419.
CLERK SAUNDERS—B
Herd's MSS, a, I, 163; b, II, 46.

WILLIE AND LADY MAISRY—A
Motherwell's MS., p. 498; Motherwell's Minstrelsy, p. 370. From the recitation of Mrs Notman, then far advanced in years, with whose grandmother it was a favorite: September 9, 1826.

LORD THOMAS AND FAIR ANNET—A
Percy's Reliques, 1765, II, 293, "given, with some corrections, from a MS. copy transmitted from Scotland."
LORD THOMAS AND FAIR ANNET—D
Pepys Ballads, III, 316, No 312. b. A Collection of Old Ballads, I, 249, 1723. c. Ritson, Select Collection of English Songs, II, 187, 1783. d. Buchan's Gleanings, p. 86. e, f, g, h, i, recited copies.

FAIR MARGARET AND SWEET WILLIAM—A
Douce Ballads, I, fol. 72. b. Ritson, A Select Collection of English Songs, 1783, II, 190. c. Percy's Reliques, 1765, III, 121. d. Percy's Reliques, 1767, III, 119.
FAIR MARGARET AND SWEET WILLIAM—B
Communicated to Percy by the Dean of Derry, as written down from memory by his mother, Mrs Bernard; February, 1776.
FAIR MARGARET AND SWEET WILLIAM—C
Communicated to Percy by Rev. P. Parsons, of Wye, April 7, 1770.

LORD LOVEL—A
Percy Papers, communicated by the Rev. P. Parsons, of Wye, from singing; May 22, 1770, and April 19, 1775.

THE LASS OF ROCH ROYAL—A
Cochrane's Songbook, p. 151, No 114.

THE LASS OF ROCH ROYAL—B
Herd's MS, I, 144; II, 60, the first ten lines; Herd's Scottish Songs, 1776, I, 149.
THE LASS OF ROCH ROYAL—D
Jamieson-Brown MS., fol. 27; Jamieson's Popular Ballads, I, 36.
THE LASS OF ROCH ROYAL—E
a. Alexander Fraser Tytler's Brown MS., No 2, written down from Mrs Brown's recitation in 1800. b. Scott's Minstrelsy, II, 49, 1802.
THE LASS OF ROCH ROYAL—F
Herd MS., I, 31, II, 65.

SWEET WILLIAM'S GHOST—A
Ramsay's Tea Table Miscellany, "4th volume, 1740;" here from the London edition of 1763, p. 324.
SWEET WILLIAM'S GHOST—B
Herd's MSS, I, 177, II, 49, stanzas 27 ff.

THE WIFE OF USHER'S WELL—A
Minstrelsy of the Scottish Border, II, 111, 1802, from the recitation of an old woman residing near Kirkhill, in West Lothian.

OLD ROBIN OF PORTINGALE
Percy MS., p. 90; Hales and Furnivall, I, 235.

LITTLE MUSGRAVE AND LADY BARNARD—A
Wit Restord, 1658, in the reprint 'Facetiæ,' London, 1817, I, 293. b. Wit and Drollery, 1682, p. 81.
LITTLE MUSGRAVE AND LADY BARNARD—B
Percy MS., p. 53, Hales and Furnivall, I, 119.
LITTLE MUSGRAVE AND LADY BARNARD—C
a. Pepys Ballads, I, 364, No 187. b. Pepys Ballads, III, 314, No 310. c. Roxburghe Ballads, III, 146. d. Roxburge Ballads, III, 340. e. Bagford Ballads, I, 36.

THE BONNY BIRDY
Jamieson-Brown MS., fol. 42; Jamieson's Popular Ballads, I, 162.

CHILD MAURICE—A
Percy MS., p. 346; Hales and Furnivall, II, 502.


CHILD MAURICE—B
Motherwell's MS., p. 255; Motherwell's Minstrelsy, p. 282. From the singing of Widow McCormick, Paisley, January 19, 1825. Learned by her of an old woman in Dumbarton: Motherwell's Note Book, fol. 4.
CHILD MAURICE—C
Motherwell's MS., p. 510, from the singing of Mrs Storie, wife of William Storie, laborer, Lochwinnoch. A song of Mrs Storie's grandmother. [See Child's end notes for this ballad]
CHILD MAURICE—D
Motherwell's MS., p. 480, from the recitation of Widow Michael, a very old woman, as learned by her in Banffshire seventy years before. August, 1826. [Child's notes]
CHILD MAURICE—E
Motherwell's MS., p. 165; Motherwell's Minstrelsy, p. 269. From the recitation of Mrs Thomson, Kilbarchan, seventy years of age, as learned from her mother at the Water of Leven, Dumbarton, when she was ten years old. March, 1825. [Child's notes]
CHILD MAURICE—F
Percy's Reliques, III, 93, 1765. b. Letter of T. Gray to Mason, June, 1757 (?): Gray's Works, ed. Gosse, II, 316.
CHILD MAURICE—G
Jamieson's Popular Ballads, I, 18; Jamieson, in The Scots Magazine, 1803, LXV, 698, stanzas 1, 3.

BONNY BARBARA ALLAN—A
a. The Tea-Table Miscellany, IV, 46, ed. 1740; here from the London edition of 1763, p. 343. b. Percy's Reliques, III, 131, ed. 1765, "with a few conjectural emendations from a written copy."
BONNY BARBARA ALLAN—B
a. Roxburghe Ballads, II, 25; reprint of the Ballad Society, III, 433. b. Roxburghe Ballads, III, 522. c. A broadside formerly belonging to Bishop Percy. d. Percy's Reliques, 1765, III, 125.

YOUNG JOHNSTONE—A
Herd's Ancient and Modern Scots Songs, 1769, p. 305.

FAUSE FOODRAGE—A
Alexander Fraser Tytler's Brown MS., No 3.
FAUSE FOODRAGE—C
Harris MS., No 18, fol. 22: derived from Jannie Scott, an old Perthshire nurse, about 1790.

JELLON GRAME—A
a. A. Fraser Tytler's Brown MS., No 4. b. Scott's Minatrelsy, II, 20, 1802.

FAIR MARY OF WALLINGTON—A
Lovely Jenny's Garland, three copies, as early as 1775, but without place or date.
FAIR MARY OF WALLINGTON—B
Herd's MSS: a, I, 186; b, II, 89.
FAIR MARY OF WALLINGTON—C
Alexander Fraser Tytler's Brown MS., No 5.

BONNY BEE HOM—A
Alexander Fraser Tytler's Brown MS., No 6.

LAMKIN—A
Jamieson's Popular Ballads, I, 176, communicated by Mrs Brown.
LAMKIN—F
a. Notes and Queries, Second Series, II, 324, as sung by a nurse nearly a century ago [1856] in Northumberland. b. Notes and Queries, Fourth Series, II, p. 281, from Northamptonshire, communicated by Mr B. H. Cowper.
LAMKIN—K
Communicated to Percy by Rev. P. Parsons, of Wye, near Ashford, Kent, April 19, 1775.
LAMKIN—P
Herd's MSS, I, 25.

YOUNG WATERS
Percy's Reliques, 1765, II, 172.

THE MAID FREED FROM THE GALLOWS—A
Communicated to Percy, April 7, 1770, by the Rev. P. Parsons, of Wey, from oral tradition.

THE GAY GOSHAWK—A
Jamieson-Brown MS., No 6, pt 15.
THE GAY GOSHAWK—E
Minstrelsy of the Scottish Border, II, 7, 1802; III, 151, 1833.

BROWN ROBIN—A
a. Jamieson-Brown MS., fol. 37. b. Abbotsford MS., "Scottish Songs."

BROWN ADAM—A
Jamieson-Brown MS., fol. 17.
JOHNIE SCOT—A
Jamieson-Brown MS., fol. 5.

WILLIE O WINSBURY—B
Herd's MSS, I, 29; II, 98.
WILLIE O WINSBURY—D
Communicated to Percy by the Rev. P. Parsons, of Wey, apparently in 1775. "This I had from the spinning-wheel."

WILLIE O DOUGLAS DALE—A
Jamieson-Brown MS., fol. 8.

WILLIE AND EARL RICHARD'S DAUGHTER—A
Jamieson's Popular Ballads, II, 44, from Mrs Brown's recitation.

ROSE THE RED AND WHITE LILY—A
Jamieson-Brown MS., fol. 1.

THE BAILIFF'S DAUGHTER OF ISLINGTON
Printed for P. Brooksby, Roxburghe Ballads, II, 457. b. Printed for J. Walter, Douce Ballads, II, fol. 229. c. Printed for P. Brooksby, Pepys Ballads, III, 258, No 256. d. Printed for P. Brooksby, Roxburghe Ballads, IV, 56. e. Printed for P. Brooksby, Douce Ballads, II, fol. 230. f. An Aldermary Churchyard copy.

THE FAMOUS FLOWER OF SERVING-MEN
Wood, E. 25, fol. 75, Bodleian Library. b. Pepys, III, 142, No 140, Magdalen College Library, Cambridge. c. A Collection of Old Ballads, I, 216, 1723.

WILL STEWART AND JOHN—A
Percy MS., p. 428; Hales and Furnivall, III, 216.

CHRISTOPHER WHITE
Percy MS., p. 513; Hales and Furnivall, III, 494.

TOM POTTS—A
Percy MS., p. 409; Hales and Furnivall, III, 135.
TOM POTTS—B
a. London, printed for F. Coles, and others, 1677, Bodleian Library, Wood, 259. b. Pepys Penny Merriments, I, 189, Magdalen College Library, Cambridge.
TOM POTTS—C
A white letter sheet in five columns, "published May 29, 1657," The King's Pamphlets, British Museum, 669, f. 20, 55.

THE KNIGHT AND SHEPHERD'S DAUGHTER—A
a. Roxburghe Ballads, III, 160, 161. b. The same, II, 30, 31. [1765]
THE KNIGHT AND SHEPHERD'S DAUGHTER—K
Motherwell's MS., p. 226. From the recitation of Widow McCormick, Westbrae, Paisley, 1825; learned of an old woman in Dumbarton, thirty or forty years before.

CROW AND PIE
MS. Rawlinson, C. 813, fol. 27 b, beginning of the sixteenth century. Halliwell's Nugæ Poeticæ, p. 42.

THE BAFFLED KNIGHT—A
Ravenscroft's Deuteromelia, or, The Second Part of Musick's Melodie, or Melodious Musicke, etc., E 4, London, 1609. Ritson's Ancient Songs, 1790, p. 159. b. Pills to Purge Melancholy, III, 37, 1719.
THE BAFFLED KNIGHT—B
Pills to Purge Melancholy, V, 112, 1719.
THE BAFFLED KNIGHT—C
a. A Collection of Old Ballads, III, 178, 1725. b. Pepys Ballads, V, 169 ff, Nos 162-164, end of the 17th century, the first fifty stanzas. c. Douce Ballads, III, fol. 52 b, Durham: Printed and sold by I. Lane. d. Roxburghe Ballads, III, 674, 1750 (?).
THE BAFFLED KNIGHT—D
a. Herd's Ancient and Modern Scots, p. 328, 1769. b. Dixon, Ancient Poems, Ballads and Songs of the Peasantry of England, p. 123, Percy Society, vol. xvii; Bell, p. 80.

A few additions:

THE LAIDLEY WORM from The Rev. Robert Lambe to Percy, January 29, 1766
THE LAIDLEY WORM/"THE HAGG WORM" (Additions & Corrections) from Capt. E. Grow, from "an old woman" (1775?)

As you can see, I have included a few 19th century references when they mention "really old" people as sources, if the math seems to work. I may have missed some of these and confused others. I am not familiar with any of the sources that Child is dealing with here, and I am going strictly from his information. Please forgive and correct any really gross errors and colossal stupidities! And please continue to correct other errors and feel free to make helpful suggestions.