diff --git a/Bibliography/setbiblio.html b/Bibliography/setbiblio.html
index ec37e95..bc83344 100644
--- a/Bibliography/setbiblio.html
+++ b/Bibliography/setbiblio.html
@@ -876,7 +876,7 @@ <h2 class="western"><strong>Comprehensive Bibliography </strong>
 <ul>
   <a name="firestonethesis"></a>
 	<li><p style="margin-bottom: 0in"><strong>Firestone, Clifford Dixon. [1947]
-	<br></strong><cite><a href="http://www.dspace.cam.ac.uk/handle/1810/223940">"Sufficient Conditions for the modelling of Axiomatic Set Theory"</a>
+	<br></strong><cite><a href="http://randall-holmes.github.io/Bibliography/firestonethesis.pdf">"Sufficient Conditions for the modelling of Axiomatic Set Theory"</a>
 	</cite><br>Ph.D. thesis, Cornell University.
 	</p>