--- a/index.html
+++ b/index.html
@@ -65,7 +65,8 @@
 There are two main references for information on the whole of VXL:
 <li><a href="http://paine.wiau.man.ac.uk/pub/doc_vxl/index.html">VXL package documentation</a>
-- this documents the latest snapshot of VXL.
+- this documents the latest snapshot of VXL 
+<a href="http://www.lems.brown.edu/vision/vxl_doc/html/index.html">(mirror site)</a>.
 It includes auto-generated descriptions of every
 class and function in VXL, and is also available as a single
 <a href="http://paine.wiau.man.ac.uk/pub/doc_vxl/all.tar.gz">downloadable tarball</a>.