http://archive.org/search.php?query=nlsmusic A search of archive.org for Scottish music from the National Library of Scotland, quite extensive set of resources, books, etc.
http://www.valleyofthemoon.org/ Valley of the Moon Scottish fiddling school.
http://www.kitchenmusician.net/jink/jink.html Couple of weeks of Scottish fiddling instruction.
http://www.smo.uhi.ac.uk/en/cursaichean ... ddle-2015/ Fiddle camp run by Alasdair Frasier and Natalie Haas.
http://www.celtic-colours.com/ Celtic Colours festival in Cape Breton.
http://www.scoilgheimhridh.com/concert-programme/ Performance oriented.
http://www.heallan.com/freedownloads.asp Old Scottish tunebooks.
http://greatcanadianfiddle.blogspot.ca Old recordings for download
Aird, James
Aird's Airs (6 vols., multiple editions)
http://imslp.org/wiki/A_Selection_of_Sc ... rd,_James)
Anderson, J.
Anderson's Budget of Scotch, English, and Irish Slow Airs
https://archive.org/details/andersonsbudgeto01rugg
Anderson's Budget of Strathspeys, Reels, and Country Dances
https://archive.org/details/andersonsbudgeto00rugg
Anonymous (Glen 82)
A Directory for Ball Music, 1800 (first two bars of tunes named)
https://archive.org/details/directoryforball00edin
Barsanti, Francesco
A Collection of Old Scots Tunes
http://imslp.org/wiki/A_Collection_of_O ... Francesco)
Bremner, Robert
A Collection of Scots Reels or Country Dances
http://imslp.org/wiki/A_Collection_of_S ... r,_Robert)
30 Scots Songs for Voice and Harpsichord & A Second Set of Scots Songs
http://imslp.org/wiki/Scots_Songs_for_V ... _Scottish)
Dow, Daniel
A Collection of Ancient Scots Music
http://www.wirestrungharp.com/library/daniel_dow.html
Fraser, Simon
The Airs and Melodies Peculiar to the Highlands of Scotland and the Isles
http://imslp.org/wiki/The_Airs_and_Melo ... er,_Simon)
http://bibnum.univ-rennes2.fr/items/sho ... &v=#bibnum
Geminiani, Francesco
A Treatise of Good Taste in the Art of Music (2 vols.)
http://imslp.org/wiki/A_Treatise_of_Goo ... Francesco)
Gow, Niel
A Collection of Strathspey Reels
http://gallica.bnf.fr/ark:/12148/btv1b9 ... eys.langEN
http://www.smo.uhi.ac.uk/en/rannsachadh ... /neil-gow/
A Second Collection of Strathspey Reels (Caledonian Hunt)
http://gallica.bnf.fr/ark:/12148/btv1b9 ... eys.langEN
The Complete Repository of Original Scots… Volumes 1-4
http://imslp.org/wiki/Gow%27s_Repositor ... _(Various)
Gunn, John
Forty Favorite Scotch Airs
http://imslp.org/wiki/40_Favorite_Scotc ... unn,_John)
MacKintosh, Abraham
A Collection of Strathspeys, Reels, Jigs, &c.
http://imslp.org/wiki/A_Collection_of_S ... ,_Abraham)
MacDonald, Keith Norman
The Skye Collection
http://books.google.com/books?id=onkQAA ... on&f=false
McDonald, Malcolm
A second Collection of Strathspey Reels &c.
http://gallica.bnf.fr/ark:/12148/btv1b9 ... eys.langEN
McDonald, Patrick
A Collection of Highland Vocal Airs (composite volume)
http://www.smo.uhi.ac.uk/en/rannsachadh ... /neil-gow/
McGibbon, William
A Collection of Scots Tunes Volumes 1-3 (Rutherford ed.)
A Collection of Scots Tunes Volumes 1-4 (Bremner ed.)
http://imslp.org/wiki/A_Collection_of_S ... ,_William)
MacLeod, -
MacLeod's Collection of Airs, Marches, Waltzes & Rondos (vols. 1-3)
http://imslp.org/wiki/MacLeod's_Collect ... _(Various)
Mitchell, Mr.
The Highland Fair, or, Union of the Clans (with scores)(composite volume)
https://archive.org/details/acompositevolume03rugg
Oswald, James
The Caledonian Pocket Companion (at internet archive: issues vary)
https://archive.org/details/caledonianpocket00unse
https://archive.org/details/caledonianpocket01rugg
https://archive.org/details/caledonianpocket00stua
https://archive.org/details/caledonianpocket00rugg
https://archive.org/details/acompositemusi174760mcdo
Colin's Kisses
http://imslp.org/wiki/Colin%27s_Kisses_(Oswald,_James)
Riddell, Robert
A Collection of Scotch, Galwegian and Border Tunes
http://www.cl.cam.ac.uk/~rja14/musicfil ... s/riddell/
Ross, Elizabeth
Original Highland Airs Collected at Raasay in 1812 (MS)
http://www.ed.ac.uk/schools-departments ... staff-pubs
Stewart, Neil
A Collection of Scots Songs (composite volume)
http://www.smo.uhi.ac.uk/en/rannsachadh ... /neil-gow/
Stuart, Alexander
Musick for Allan Ramsay's collection of 71 Scots songs (6 vols.)
http://digital.tcl.sc.edu/cdm/ref/colle ... bc/id/3104
Musick for Alan Ramsay's Collection… (transcription)
https://archive.org/details/airsfromvariouss00stua
Thompson, William
Orpheus Caledonius
https://archive.org/details/orpheuscaledonv200thom
https://archive.org/details/orpheuscaledoniu01thom
https://archive.org/details/orpheuscaledoniu02thom
Transcription of Orpheus Caledonius
https://archive.org/details/airsfromvariouss00thom
Urbani, Peter
A Collection of Scots Songs Vol. 1
http://www.burnsmuseum.org.uk/collectio ... tail/3.588
A Collection of Scots Songs Vol. 2
https://archive.org/details/selectionofscots02urba