diff --git a/doc/src/sgml/biblio.sgml b/doc/src/sgml/biblio.sgml
index cd8aa3e8aad..443e2d6fac7 100644
--- a/doc/src/sgml/biblio.sgml
+++ b/doc/src/sgml/biblio.sgml
@@ -230,27 +230,6 @@ ssimkovi@ag.or.at
   <bibliodiv>
    <title>Proceedings and Articles</title>
 
-   <biblioentry id="ports12">
-    <biblioset relation="article">
-     <title><ulink url="https://arxiv.org/pdf/1208.4179">Serializable Snapshot Isolation in PostgreSQL</ulink></title>
-     <authorgroup>
-      <author>
-       <firstname>D.</firstname>
-       <surname>Ports</surname>
-      </author>
-      <author>
-       <firstname>K.</firstname>
-       <surname>Grittner</surname>
-      </author>
-     </authorgroup>
-    </biblioset>
-    <confgroup>
-     <conftitle>VLDB Conference</conftitle>
-     <confdates>August 2012</confdates>
-     <address>Istanbul, Turkey</address>
-    </confgroup>
-   </biblioentry>
-
    <biblioentry id="berenson95">
     <biblioset relation="article">
      <title><ulink url="https://www.microsoft.com/en-us/research/wp-content/uploads/2016/02/tr-95-51.pdf">A Critique of ANSI SQL Isolation Levels</ulink></title>
@@ -288,6 +267,24 @@ ssimkovi@ag.or.at
     </confgroup>
    </biblioentry>
 
+   <biblioentry id="hell18">
+    <biblioset relation="article">
+     <title><ulink url="https://arxiv.org/pdf/1901.01973">Looking Back at Postgres</ulink></title>
+     <author>
+      <firstname>J.</firstname>
+      <surname>Hellerstein</surname>
+     </author>
+    </biblioset>
+    <biblioset relation="book">
+     <title>Making Databases Work</title>
+     <isbn>978-1-947487-19-2</isbn>
+     <publisher>
+      <publishername>Association for Computing Machinery and Morgan &amp; Claypool</publishername>
+     </publisher>
+     <pubdate>2018</pubdate>
+    </biblioset>
+   </biblioentry>
+
    <biblioentry id="olson93">
     <title>Partial indexing in POSTGRES: research project</title>
     <authorgroup>
@@ -328,6 +325,27 @@ ssimkovi@ag.or.at
    </biblioset>
    </biblioentry>
 
+   <biblioentry id="ports12">
+    <biblioset relation="article">
+     <title><ulink url="https://arxiv.org/pdf/1208.4179">Serializable Snapshot Isolation in PostgreSQL</ulink></title>
+     <authorgroup>
+      <author>
+       <firstname>D.</firstname>
+       <surname>Ports</surname>
+      </author>
+      <author>
+       <firstname>K.</firstname>
+       <surname>Grittner</surname>
+      </author>
+     </authorgroup>
+    </biblioset>
+    <confgroup>
+     <conftitle>VLDB Conference</conftitle>
+     <confdates>August 2012</confdates>
+     <address>Istanbul, Turkey</address>
+    </confgroup>
+   </biblioentry>
+
    <biblioentry id="rowe87">
    <biblioset relation="article">
     <title><ulink url="https://dsf.berkeley.edu/papers/ERL-M87-13.pdf">The <productname>POSTGRES</productname>
diff --git a/doc/src/sgml/history.sgml b/doc/src/sgml/history.sgml
index 19bea5390b9..e7d134e53ad 100644
--- a/doc/src/sgml/history.sgml
+++ b/doc/src/sgml/history.sgml
@@ -17,6 +17,12 @@
   the most advanced open-source database available anywhere.
  </para>
 
+ <para>
+  Another take on the history presented here can be found in Dr. Joe
+  Hellerstein's paper <quote>Looking Back at Postgres</quote>
+  <xref linkend="hell18"/>.
+ </para>
+
  <sect2 id="history-berkeley">
   <title>The Berkeley <productname>POSTGRES</productname> Project</title>
 
@@ -215,8 +221,10 @@
   </para>
 
   <para>
-   Details about what has happened in <productname>PostgreSQL</productname> since
-   then can be found in <xref linkend="release"/>.
+   Details about what has happened in
+   each <productname>PostgreSQL</productname> release since then
+   can be found at
+   <ulink url="https://www.postgresql.org/docs/release/">https://www.postgresql.org/docs/release/</ulink>.
   </para>
  </sect2>
 </sect1>