<html>
<body>
Most of this article, which treats Esperanto and other constructed
languages extensively, is available on google books:<br><br>
Sakaguchi, Alicja. “Towards a Clarification of the Function and Status of
International Planned Languages,” in <i>Status and Function of Languages
and Language Varieties</i>, Ulrich Ammon. Berlin; New York: W. de
Gruyter, 1989, pp. 399-442. (From the Eleventh World Congress of
Sociology of the International Sociological Association in New Delhi,
18-23 Aug. 1986.) <br><br>
<a href="http://books.google.com/books?id=geh261xgI8sC&dq=proudhon+%22universal+language%22&source=gbs_navlinks_s" eudora="autourl">
http://books.google.com/books?id=geh261xgI8sC&dq=proudhon+%22universal+language%22&source=gbs_navlinks_s</a>
<br><br>
</body>
</html>