Tractatus, features citations from the Tractatus and other works by Wittgenstein. In 1989 the Finnish artist M. A. Numminen released a black vinyl album, The Tractatus Suite, consisting of extracts from the Tractatus set to music, on the Forward! label (GN-95). The tracks were [T. 1] "The World is...", [T. 2] "In order to tell", [T. 4] "A thought is...", [T. 5] "A proposition is...", [T. 6] "The general form of a truth-function", and [T. 7] . It was recorded at Finnvox Studios, Helsinki between February and June 1989. The "lyrics" were provided in German, English, Esperanto, French, Finnish and Swedish. The music was reissued as a CD in 2003, M. A. Numminen sings Wittgenstein. Editions The Tractatus is the English translation of: Logisch-Philosophische Abhandlung, Wilhelm Ostwald (ed.), Annalen der Naturphilosophie, 14 (1921). A notable German Edition of the works of Wittgenstein is: Werkausgabe (Vol. 1 includes the Tractatus). Frankfurt am Main: Suhrkamp Verlag. Both English translations of the Tractatus, as well as the first publication in German from 1921, include an introduction by Bertrand Russell. Wittgenstein revised the Ogden translation. C. K. Ogden (1922) prepared, with assistance from G. E. Moore, F. P. Ramsey, and Wittgenstein himself, for Routledge & Kegan Paul, a parallel edition including the German text on the facing page to the English text: 1981 printing: , 1999 Dover reprint. David Pears and Brian McGuinness (1961), Routledge, hardcover: , 1974 paperback: , 2001 hardcover: , 2001 paperback: . A manuscript of an early version of the Tractatus was discovered in Vienna in 1965 by Georg Henrik von Wright, who named it the Prototractatus and provided a historical introduction to a published facsimile with English translation: Notes References Ray Monk, Ludwig Wittgenstein, the Duty of Genius, Jonathan Cape, 1990. External links Online English versions Umass.edu, (Contains German, and Ogden and Pears & McGuinness translations side-by-side-by-side) Gutenberg.org (Ogden translation) TractatusLogico-Philosophicus (As a hierarchically nested document) The Tractatus (Easier-to-read nested Ogden translation with original symbols and images) Philosurfical.open.ac.uk Research software tool aimed at facilitating the study of the Tractatus. The text is available in German and in both English translations (Ogden & Pears-McGuinness) Graphical tabs-centered version of Tractatus Logico-Philosophicus (based on Pears & McGuinness translation) (Ogden translation) Tree-like version of Tractatus Logico-Philosophicus (Ogden translation) Online German versions Tractatus-Online.appspot.com Hochholzer.info Tractatus.Net KFS.org, Ogden translation (incomplete) Philosurfical.open.ac.uk Visualization graphs Project TLP (Ogden translation / Data visualization graphs / English, German) Multilingual