Update content.opf

src/epub/content.opf

@@ -65,6 +65,7 @@
 		<meta property="se:name.person.full-name" refines="#artist">Walter Stanton Rogers</meta>
 		<meta property="file-as" refines="#artist">Rogers, Walter S.</meta>
 		<meta property="se:url.encyclopedia.wikipedia" refines="#artist">https://en.wikipedia.org/wiki/Walter_S._Rogers</meta>
+		<meta property="se:url.authority.nacoaf" refines="#artist">http://id.loc.gov/authorities/names/no2011171107</meta>
 		<meta property="role" refines="#artist" scheme="marc:relators">art</meta>
 		<dc:contributor id="transcriber-1">Greg Weeks</dc:contributor>
 		<meta property="file-as" refines="#transcriber-1">Weeks, Greg</meta>