Nick Dow wrote: If anybody has details of the original publisher that would be a start.

It probably isn't much help, but the LibraryThing book cataloging site has ISBNs for a number of the books, which can lead back to the publisher.

The Bagpipe: The History of a Musical Instrument -- 0710079133 | 9780710079138

The traditional and national music of Scotland -- 0710012136 | 9780710012135

Bagpipe, Fiddle and Harp -- 0946264481 | 9780946264483

Orchestration for the Theatre -- pre-ISBN