1. The works of Thomas Sydenham, MD;Sydenham,1848
2. Ibid. Epistolary Dissertation, para. 59, vol 2:85; para 71:88.
3. Remarks on that kind of palsy of the lower limbs which is frequently found to accompany a curvature of the spine, and is supposed to be caused by;Pott,1779
4. Die Aetiologie der Tuberkulose;Koch;Berl klin Wchnschr,1882
5. The principles and practice of medicine;Osler,1897