Wittgenstein, Ludwig 1889-1951.
Letters to C. K. Ogden with comments on the English translation of the "Tractatus Logico-Philosophicus" /
Ludwig Wittgenstein ; edited with an introduction by G.H. von Wright and with an appendix of letters by Frank Plumpton Ramsey 
. - Oxford : Basil Blackwell, London : Boston : Routledge & Kegan Paul,  1973 
. - ix, 90 p.  21 cm. 
<br/>К.: Бібліогр. в підрядк. прим., Index 
<br/><label>  ISBN: </label>0-7100-7342-9 
<br/><br/><label>Subjects--Personal Names: </label><br/>Ogden, Charles Kay 1889-1957