From Chapter 3:
A further witness to the prevalence of smoking and to the enormous number of tobacco-sellers' shops is Camden, the antiquary. In his "Annales," 1625, he remarks with curious detail that since its introduction—"that Indian plant called Tobacco, or Nicotiana, is growne so frequent in use and of such price, that many, nay, the most part, with an insatiable desire doe take of it, drawing into their mouth the smoke thereof, which is of a strong scent, through a pipe made of earth, and venting of it againe through their nose; some for wantownesse, or rather fashion sake, and other for health sake, insomuch that Tobacco shops are set up in greater number than either Alehouses or Tavernes."

From Chapter 8:
Another famous parson, the Rev. John Newton, was a smoker, and so was Cowper's other clerical friend, that learned and able Dissenter, the Rev. William Bull, whose whole mien and bearing were so dignified that on two occasions he was mistaken for a bishop. Cowper appreciated snuff, but did not care for smoking, and when he wrote to Unwin, describing his new-made friend in terms of admiration, he concluded—"Such a man is Mr. Bull. But—he smokes tobacco. Nothing is perfection 'Nihil est ab omni parte beatum.'" Bull, however, was not excessive in his smoking, for his daily allowance was but three pipes. In his garden at Newport Pagnell, Bull showed Cowper a nook in which he had placed a bench, where he said he found it very refreshing to smoke his pipe and meditate. "Here he sits," wrote Cowper, "with his back against one brick wall, and his nose against another, which must, you know, be very refreshing, and greatly assist meditation."