Canongate Academic. 1994: 17-20. Boardman, David Stewart, Duke of Rothesay ODNB Brown, James I, p. 198 Barrow, G. W. S., The Kingdom of the Scots, Edinburgh:
47–48. Bibcode:1946Natur.157...47H. doi:10.1038/157047b0. Hey, J. S.; Stewart, G. S. Derivation of Meteor Stream Radiants by Radio Reflexion Methods. Nature
Antosiewicz-Bourget, J.; Frane, J. L.; Tian, S.; Nie, J.; Jonsdottir, G. A.; Ruotti, V.; Stewart, R.; Slukvin, I. I.; Thomson, J. A. Induced Pluripotent Stem Cell