Edward Stone. An Account of the Success of the Bark of the Willow in the Cure of Agues. In a Letter to the Right Honourable George Earl of Macclesfield, President of R. S. from the Rev. Mr. Edmund Stone, of Chipping-Norton in Oxfordshire. – Philosophical Transactions, 1763, kd 53, lk 195–200. Veebiversioon.
Agata Durak ja Urszula Gawlik-Dziki, http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4071790/#B16 The Study of Interactions between Active Compounds of Coffee and Willow (Salix sp.) Bark Water Extract, Biomed Res Int. 2014; 2014: 386953., doi: 10.1155/2014/386953, PMCID: PMC4071790, (vaadatud 3. juuli 2016)
sciencedirect.com
Jassem G. Mahdi. Medicinal potential of willow: A chemical perspective of aspirin discovery. – Journal of Saudi Chemical Society, 2010, kd 14, nr 3, lk 317–322. Veebiversioon
umm.edu
University of Maryland Medical Center, Willow bark, (vaadatud 19.06.2016)
