Freunde des Hauses Wittgenstein <blockquote> Your browser is apparently having problems viewing this website. To see it properly, you need either <a href="http://www.mozilla.com/en-US/">Firefox</a> (version 3.0 or higher), or <a href="http://www.microsoft.com/ie/download/">Microsoft Internet Explorer</a> (version 6.0 or higher). </blockquote> <br /><br /> <h1>Bulgarisches Forschungsinstitut in Österreich</h1> <br /><br />