Opus number developed other catalogue-number systems; among them the "Bach-Werke-Verzeichnis" (BWV-number), and the "Köchel-Verzeichnis" (K- and KV -numbers) with which are organised the works of Johann Sebastian Bach and Wolfgang Amadeus Mozart, respectively. In the classical period, the Latin word "opus" ("work", "labour") was used to identify, list, and catalogue a work of art. By the 15th and 16th centuries, the word "opus" was used by Italian composers to denote a specific musical composition, and by German composers for collections of music. In compositional practise, numbering musical works in chronological order dates from 17th century Italy, especially Venice. In common usage, the
Catalogue of Works in Refutation of Methodism Catalogue of Works in Refutation of Methodism Catalogue of Works in Refutation of Methodism: from its Origin in 1729, to the Present Time (often referred to as Catalogue of Works in Refutation of Methodism) is the title of an antiquarian bibliography or catalogue first published in America in 1846 by the 19th century author Curtis H. Cavender, who compiled the work under the anagrammatic pen name of H.C. Decanver. A reference work of religious criticism, the "Catalogue" is Decanver's debut publication, and his only written work. It is notable as one of the most prominent writings critical of Methodist doctrine