The contents are as follows: "Colin Campbell's Instrumental Book, 1797. The First Volum Continuing [sic] 83 Tunes", 1797 (MS.3714);

'Colin Campbell Second Volum Containing 86 Tuns', [1814, or after] (MS.3715);

Transcript of Angus Mackay's 'Specimens of Canntaireachd', of about 1853, and a note, dated 1950, by Archibald Campbell, on points arising from a study of the Nether Lorn and Mackay manuscripts (MS.3716).

Parts of music books, late 19th century, containing piobaireachd tunes (MS.22126);

Composite volume, 1853-1861, consisting of leaves and gatherings bound together containing a collection of piobaireachd tunes by Charles Scott described as 'Piper Stafford House St James London 1859' on the outer front cover. (MS.22127).

The contents are as follows: 'Collection of the ancient martial music of Caledonia’ by Donald Macdonald (Edinburgh, 1822) (MS.22118);

Incomplete copy, 4th quarter of 19th century, of MS.1680: 'Select collection of the ancient music of Caledonia, called Piobaireachd, set to music as performed on the Great Highland Bagpipe, by Donald MacDonald', 1826 (MS.22119).

The contents are as follows: Incomplete copy of MS.1680: 'Select collection of the ancient music of Caledonia, called Piobaireachd, set to music as performed on the Great Highland Bagpipe, by Donald MacDonald', 4th quarter of 19th century (MS.22119);

Piobaireachd tunes copied from a variety of sources, 4th quarter of 19th century (MS.22120).

The contents are as follows: Volume of Scottish music, [1838], comprising airs, Lowland and Highland, songs, dances, a pibroch, etc. (MS.2086);

Book of dance tunes, [circa 1765], chiefly arranged for the English guitar or the cittern (MS.5449).

The contents are as follows: Seaforth Manuscript of Piobaireachd, 1826-1854, written for K W S Mackenzie of Seaforth in 1854 by Angus Mackay (MS.3744), 28 frames;

Manuscript of Major-General C S Thomason's ‘Ceol Mor’: volume I, [1900, or before] (MS.3747), 203 frames;

Manuscript of Major-General C S Thomason's ‘Ceol Mor’: volume II, [1900, or before] (MS.3748), 204 frames.

The contents are as follows: 'Select collection of the ancient music of Caledonia, called Piobaireachd, set to music as performed on the Great Highland Bagpipe, by Donald MacDonald, Pipemaker to the Highland Society of London, etc., Edinburgh : 1826.' (MS.1680), 152 frames;

Manuscript, [?1826-?1840], of Angus Mackay containing piobaireachd (MS.3753), 135 frames;

Manuscript, [?1826-?1840], of Angus Mackay containing piobaireachd (MS.3754), 70 frames.

The contents are as follows: 'Collection of Ancient Piobaireachd Music, arranged by D.S. Macdonald, Pipe Major, First Battn. the Royal Scots', Edinburgh (MS.3110), 98 frames;

Most of the material for MS.3110: 'Collection of Ancient Piobaireachd Music...', in rough form, with jottings of some reels and marches, one or two tunes from Angus Mackay's ‘Collection of ancient Piobaireachd’, and one, apparently, from the Ballindalloch Manuscript (MS.3111), 125 frames.

The contents are as follows: Typescript 'Account of the Campbells of Nether Lorn and their system of Canntaireachd', late 19th century-early 20th century (MS.2260);

Collection of pipe music, 19th century, (78 piobaireachd), compiled by William Ross, Piper to Queen Victoria (MS.3040);

Copies of piobaireachd in staff notation, 1928, (with some canntaireachd) by Simon Fraser (MS.9617).

The contents are as follows: Piobaireachd manuscript, 1859-1869, of Colin Cameron, piper to the Duke of Fife, and son of Donald Cameron, piper to Seaforth (MS.3745), 80 frames;

Alexander Skinner's manuscript of Piobaireachd, so-called from the inscription 'Presented to Mr. Duncan Campbell, Piper to Sir Charles Forbes, Bart., of Newe, by Alex. Skinner, Teacher of Dancing ... London, June 15, 1855', [1855, or after] (MS.3746), 72 frames.

The contents are as follows: Volume of piobaireachd, 2nd half of the 19th century (MS.22123);  

Composite volume, 1850-1890, made up of at least two music books containing five series of piobaireachd tunes (MS.22124);

Leaves and gatherings of leaves from various music books, 1863-1897, undated, containing piobaireachd tunes in various hands, inside a pair of covers inscribed 'Pipe Major Alexander Mackenzie 78th Highlanders (Ross.shire Buffs)'. (MS.22125).

The contents are as follows:

Miscellaneous scraps of piobaireachd, circa 1920-1930, in various hands including those of Simon Fraser, Alexander K Cameron, and Dr J D Ross Watt (folio 1);

Letters, 1930, from John L MacArthur (folio 66);

Letters, 1935-1938, to A K Cameron in connection with the recovery of his papers from the heirs of Simon Fraser (folio 69).

Several tunes are given under names other than those which they usually bear. At folio 1 is a circular letter, undated, of Donald Stuart Macdonald, from Malta, announcing his intention of continuing Angus Mackay's publication.

The tunes were selected, according to Angus Mackay's own note (folio ii), 'from the original manuscript in his possession as noted down by him [in staff notation] from the Canntaireachd of John Mackay his father from the year 1826 to 1840'. These 'original MSS' are the first two of the six described in 'The history and art of Angus Mackay', numbers 5-7; see MSS.3753-3754.