JonesGP. A Short History of the Manor and Parish of Witherslack to 1850. Cumberland and Westmorland Antiquarian and Archaeological Society Tract No XVII. Kendal: Titus Wilson, 1971.
2.
BarwickP. The Life of the Reverend Dr John Barwick D.D., Printed by J Bettenham, 1674.
3.
AtkinsonG. Worthies of Westmorland. London: J Robinson1850.
4.
StephensL, ed. Dictionary of National Biography, vol 3. London: Smith, Elder & Co. 1885:353.
5.
ThompsonBL. Dean Barwick and his will. Transactions of the Cumberland & Westmorland Antiquarian & Archaeological Soc. 1965;XVIII:240–78.
6.
VeimJVennJA. Alumni Cantabridgiensis, Cambridge: Cambridge University Press, 1922:102.
7.
MunkW. The Roll of the Royal College of Physicians of London. Vol 1. 1518–1700 p 352. Published at the College.
8.
ClippindaleSD. A Medical Rolf of Honour. Physicians and Surgeons who remained in London during the Great Plague. BMJ1909;i:351.
9.
HodgesN. Loimologia: or a historical account of the plague in London in 1665 with precautionary directions against the like contagion, 3rd edn. (English translation). London: E Bell, 1721.
10.
Lowther-ClarkeHWeechWNHistory of Sedbergh School 1525–1925. Jackson Sedbergh, 1925.