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
19th century in LGBT rights years, with or without hard labour. Buggery, or anal sex between men, was already illegal. We'wha, a lhamana of the Zuni tribe, begins a six-month stay in Washington, D. C., during which time he calls upon President Grover Cleveland. 19th century in LGBT rights A German pamphlet by the Austrian-born novelist Karl-Maria Kertbeny, published anonymously, arguing against a Prussian anti-sodomy law contains the first known use of the word "homosexual" in print. Any male person who, in public or private, commits, or is a party to the commission of, or procures or attempts to procure the commission by any male