ADER (Guillaume). Enarrationes, de aegrotis et morbis in Evangelio. Opus in miraculorum Christi Domini amplitudinem Ecclesiae Christianae elimatum Toulouse, R. Colomerius, 1620. In-8, blond marbled calf, smooth spine decorated, yellow edges (18th century binding). 12 ff. o.c., 458 pp. 3 ff. index. First edition of this treatise by the extravagant Occitan writer and poet Guillaume Ader (1567-1638). He studied medicine in Montpellier. His treatise was published again by the same publisher in 1623. It includes a chapter on lycanthropes.