DEL RIO Martin: Disquisitionum magicarum libri sex. Cologne, Herman Demen, 1679. 1 vol. in-4, bound in fawn calf, cold fillet on covers, spine ribbed and decorated with gilt motifs including birds. Beautiful anonymous baroque burin-engraved frontispiece bordering 10 scenes from the Exodus. Text on two columns. Complete work. 654 ff. consisting of [16], 1221 (i.e. 1243), [48], [1 bl.] pp. Bibliography/recorded copies: BM Lyon 344094. Cantamessa 1258. Coumont D45.22. Graesse, bibli.magica p. 47. Rosenthal 2903. Martin Antoine DEL RIO, learned Dutch Jesuit, born in Antwerp in 1551, died in Louvain in 1608. Awarded a Doctorate in Spain, he taught Philosophy and Theology in Salamanca, Douai, Liège and Louvain. A valuable work on witchcraft and the various forms of magic. Martin del Rio was able to dissertate with experience on the procedure to be followed in matters of witchcraft, on the manner of giving the question to the accused. Wasn't he one of the fiercest members of the Blood Council set up by the Duke of Alba in Flanders?