As to absolute want of sanitary precautions, see Hecker, p.292.As to condemnation by strong religionists of medical means in the plague, see Fort, p.130.For a detailed account of the action of Popes Eugene IV, Innocent VIII, and other popes, against witchcraft, ascribing to it storms and diseases, and for the bull Summis Desiderantes, see the chapters on Meteorology and Magic in this series.

The text of the bull is given in the Malleus Maleficarum, in Binsfield, and in Roskoff, Geschichte des Teufels, Leipzig, 1869, vol.i, pp.

222-225, and a good summary and analysis of it in Soldan, Geschichte der Hexenprocesse.

For a concise and admirable statement of the contents and effects of the bull, see Lea, History of the Inquisition, vol.iii, pp.

40 et seq.; and for the best statement known to me of the general subject, Prof.George L.Burr's paper on The Literature of Witchcraft, read before the American Historical Association at Washington, 1890.
In Germany its development was especially terrible.