Lavacrum conciencie [sic] omnibus sacerdotibus perutile: Quarto :12 x 9 cm. Signatures: a8 b-p6 q8.[Errors in foliation: lxxxviiii-xcviii foliated xc-xcviiii, with xc as cxi, xciiii as cxv] Blank initial spaces. ∫

Lyptzck [Leipzig]: Gregor Böttiger, 1495. Bound in half leather of the 19th century, with quite a bit contemporary marginalia.(see below). ISTC il00099000 Goff L99; IBP 3382; Madsen 2157; Voull(B) 1383; Günt(L) 1205; Hubay(Würzburg) 1187; Pad-Ink 375; Wilhelmi 387; BSB-Ink L-71.050; GW 13880. Not in Hain, BMC, STC et c.

https://data.cerl.org/istc/il00099000

Copies; United States of America : 1) Library of Congress 2) Univ. of California, Law Library. This "Soap of the Conscience" is filled with morally instructive stories intended to keep priests faithful to their vows and safe from worldly temptations, lest they suffer the "harshest punishments" of hell. In this work he tries in numerous moral and instructive stories to prove the nullity of worldly joys. Born in Gruitrode ca. 1400-10, Jacobus van Eertwach was a Carthusian monk who served as an abbot of the prior of the Liege from 1440 until his death in 1475, during which time he produced numerous works of spiritual guidance for both clergy and laypersons.
This treatise against immorality, especially the priests, which was first printed by Anton Sorg in 1489. This work also includes short stories and some German proverbs translated into latin.
Although today the work is generally attributed to the Carthusian monk of German origin, Jacob von Gruytrode. According to Theodor Petreius, Bibliotheca Cartusiana (Cologne, 1609), the actual author is Johannes Meskirchius (Messkirch, d. 1511), a monk at the charterhouse of Güterstein near Stuttgart (for Messkirch see R. Deigendesch, 'Bücher und ihre Schenker - Die Bücherlisten der Kartause Güterstein in Württemberg', in S. Lorenz, ed., Bücher, Bibliotheken und Schriftkultur der Kartäuser. Festgabe zum 65. Geburtstag von Edward Potkowski, Stuttgart 2002, pp. 93-115.