Chilidúǵu, sive Res chilenses vel descriptio status tum naturalis, tum civilis
Subtitle: cum moralis regni populique chilensis, inserta suis locis perfectæ ad chilensem linguam manuductioni, Deo O.M. multis ac miris modis juvante opera, sumptibus
By: periculisque Bernardi Havestadt, Agrippinensis quondam provinciae Rheni Inferioris primum Horstmariæ in Westphalia, deinde in Americæ Meridionalis regno chilensi e Societate Jesu missionarii. Permissu superiorum ac Rmi & Eximii D. ordinarii coloniensis facultate speciali
Publisher: Monasterii Westphaliæ typis Aschendorfianis
Published: 1978
Language: lat; arn
Subjects: Mapuche language
Other titles: Chilidúǵu, sive Res chilenses ...
Notes: Paged continuously; v. 1: 8 p. l., 536 p.; v. 2: 1 p. l., 539-808 p.; v. 3: [809]-952 p.; appendix: 78 p.

Originally written in Spanish, between 1753 and 1765. Of the Spanish work only the title "Childugu ó Lengua de los Indios de el reyno de Chile, enseñada sumariamente por el R. P. Luis de Baldivia de la Compañía de Jesus y mas por extenso por el P. Bernardo Havestadt de la misma Compa.," the "Dedicatoria al santissimo y laudabilissimo nombre de Jesus," and the "Prologo" are known, being quoted by the author on p. 885-889 of the Latin edition.

Epistola "Ni aiùelchi patiruem Bernardo Havestadt" signed Andreas Febrès, p. 185-186.

"Chilidúǵu pars secunda. Indiculus universalis R. P. Francisci Pomey Soc. Jesu in linguam chilensem translatus, additisque exemplis quam plurimis ad facilius addiscendum auctus:" p. 187-535.