diff --git a/filters/delDupName/byline_author.xslt b/filters/delDupName/byline_author.xslt
new file mode 100644
index 0000000..c1d4d95
--- /dev/null
+++ b/filters/delDupName/byline_author.xslt
@@ -0,0 +1,29 @@
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"
+                xmlns:atom="http://www.w3.org/2005/Atom"
+                xmlns:xhtml="http://www.w3.org/1999/xhtml">
+
+  <!-- Replace atom:author/atom:name with the byline author -->
+  <xsl:template match="atom:entry/atom:author[../atom:content/xhtml:div/xhtml:span[@class='byline-author' and substring(.,1,10)='Posted by ']]">
+    <xsl:copy>
+      <atom:name>
+       <xsl:value-of select="substring(../atom:content/xhtml:div/xhtml:span[@class='byline-author'],11)"/>
+      </atom:name>
+      <xsl:apply-templates select="*[name()!='name']"/>
+    </xsl:copy>
+  </xsl:template>
+
+  <!-- Remove byline author -->
+  <xsl:template match="xhtml:div/xhtml:span[@class='byline-author' and substring(.,1,10)='Posted by ']"/>
+
+  <!-- Remove two line breaks following byline author -->
+  <xsl:template match="xhtml:br[preceding-sibling::*[1][@class='byline-author' and substring(.,1,10)='Posted by ']]"/>
+  <xsl:template match="xhtml:br[preceding-sibling::*[2][@class='byline-author' and substring(.,1,10)='Posted by ']]"/>
+
+  <!-- pass through everything else -->
+  <xsl:template match="@*|node()">
+    <xsl:copy>
+      <xsl:apply-templates select="@*|node()"/>
+    </xsl:copy>
+  </xsl:template>
+
+</xsl:stylesheet>
diff --git a/filters/delDupName/p_by_name.xslt b/filters/delDupName/p_by_name.xslt
new file mode 100644
index 0000000..878904f
--- /dev/null
+++ b/filters/delDupName/p_by_name.xslt
@@ -0,0 +1,17 @@
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"
+                xmlns:atom="http://www.w3.org/2005/Atom"
+                xmlns:xhtml="http://www.w3.org/1999/xhtml">
+
+  <!-- If the first paragraph consists exclusively of "By author-name",
+       delete it -->
+  <xsl:template match="atom:content/xhtml:div/xhtml:p[1][. =
+    concat('By ', ../../../atom:author/atom:name)]"/>
+
+  <!-- pass through everything else -->
+  <xsl:template match="@*|node()">
+    <xsl:copy>
+      <xsl:apply-templates select="@*|node()"/>
+    </xsl:copy>
+  </xsl:template>
+
+</xsl:stylesheet>
diff --git a/filters/delDupName/p_from.xslt b/filters/delDupName/p_from.xslt
new file mode 100644
index 0000000..c551838
--- /dev/null
+++ b/filters/delDupName/p_from.xslt
@@ -0,0 +1,15 @@
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0"
+                xmlns:atom="http://www.w3.org/2005/Atom"
+                xmlns:xhtml="http://www.w3.org/1999/xhtml">
+
+  <!-- If the first paragraph consists contains @class="from", delete it -->
+  <xsl:template match="atom:content/xhtml:div/xhtml:div[@class='comment']/xhtml:p[1][@class='from']"/>
+
+  <!-- pass through everything else -->
+  <xsl:template match="@*|node()">
+    <xsl:copy>
+      <xsl:apply-templates select="@*|node()"/>
+    </xsl:copy>
+  </xsl:template>
+
+</xsl:stylesheet>