diff --git a/README.md b/README.md
index bae676ddb..fe05f50 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,6 @@ and a great deal of fascinating material mostly written by Von Thun on
 Joy and its deeper facets as well as how to program in it and several
 interesting aspects.  It's quite a treasure trove.
 
-
 ## Example Code
 
 Here is an example of Joy code:
@@ -185,6 +184,7 @@ by changing the pending expression and intermediate state is put there.
 
 [Homepage at La Trobe University](http://www.latrobe.edu.au/humanities/research/research-projects/past-projects/joy-programming-language)
 
+[The original Thun/Joypy site](https://web.archive.org/web/20220411010035/https://joypy.osdn.io/)
 
 
 --------------------------------------------------
diff --git a/docs/html/index.html b/docs/html/index.html
index f3aea0f..370b293 100644
--- a/docs/html/index.html
+++ b/docs/html/index.html
@@ -153,6 +153,7 @@ by changing the pending expression and intermediate state is put there.</p>
 <p>§.6 References &amp; Further Reading</p>
 <p><a href="https://en.wikipedia.org/wiki/Joy_%28programming_language%29">Wikipedia entry for Joy</a></p>
 <p><a href="http://www.latrobe.edu.au/humanities/research/research-projects/past-projects/joy-programming-language">Homepage at La Trobe University</a></p>
+<p><a href="https://web.archive.org/web/20220411010035/https://joypy.osdn.io/">The original Thun/Joypy site</a></p>
 <hr>
 <p>Misc...</p>
 <p>Stack based - literals (as functions) - functions - combinators -
diff --git a/docs/html/notebooks/index.html b/docs/html/notebooks/index.html
index 1e53303..fc1c271 100644
--- a/docs/html/notebooks/index.html
+++ b/docs/html/notebooks/index.html
@@ -41,8 +41,6 @@ I'm in the process of rewriting them to use the Joy kernel.</p>
 <li><a href="/notebooks/TypeChecking.html">TypeChecking</a></li>
 <li><a href="/notebooks/Types.html">Types</a></li>
 <li><a href="/notebooks/Zipper.html">Zipper</a></li>
-<li><a href="/notebooks/fun_with_scan.html">fun with scan</a></li>
-<li><a href="/notebooks/with_sympy.html">with sympy</a></li>
 </ul>
 </body>
 </html>
diff --git a/docs/notebooks/Makefile b/docs/notebooks/Makefile
index 02b9187..55e2d3d 100644
--- a/docs/notebooks/Makefile
+++ b/docs/notebooks/Makefile
@@ -17,7 +17,7 @@ $(docs_html): %.html : %.ipynb
 	jupyter nbconvert --to html --template lab $<
 
 mov: $(docs_html) index.html
-	cp -v $? ../html/notebooks/
+	mv -v $? ../html/notebooks/
 
 
 # markdown Functor-Reference.md | tidy5 -utf8 --add-meta-charset yes > ../../html/FR.html