This paper, (which starts of page 19) is quite general in nature, but gives a good insight into life in the Mount Blair area in the past. The bibliography on page 32 can lead to a more detailed study.
Of particular interest are:
Tullochcurran, Cally and Strathardle Page 20
Kirkmichael Page 26
Strathardle and Glenshee Page 28
Kindrogan, Balnakilly, Tullochcurran, Dalreoch, Inverchroskie, Glenfernate, Straloch, Tarvie and Glenshee Page 30
There is also an extract from Queen Victoria’s journals on Page 30.