"He shewes that 't is the seacoale smoake
That allways London doth Inviron,
Which doth our Lungs and Spiritts choake,
Our hanging spoyle, and rust our Iron.
Lett none att Fumifuge be scoffing
Who heard att Church our Sundaye's Coughing."
from; "Ballad of Gresham College". Original text.
worldcat.org
Cantril, T. C. Coal Mining. Cambridge: Cambridge University Press. 1914: 3–10. OCLC 156716838.