For all those with an affiliation or just interested:

The Douglas Book - in four volumes. 1885 - well out of copyright.

On the left hand side of each page, under 'View the Book', click PDF. (Can also be downloaded to Kindles and the like.)

http://archive.org/details/douglasbook01fras - Douglas Memoirs

http://archive.org/details/douglasbook02fras - Angus Memoirs

http://archive.org/details/douglasbookf03fras - Charters

http://archive.org/details/douglasbook04fras - Correspondence

Regards

Chas