JOHN ROY LYALL Scottish, Slow Air (4/4 time). E Flat Major. Standard. AAB. Composed by E.Edmond. Martin (Ceol na Fidhle), Vol. 1, 1991; pg. 12.
The book is still in print, and can be had from, for example, ScotlandsMusic.com, and other places. It may be too recent a composition to be available for free.