Referencer Notes is a plugin for Referencer. It allows you to link notes (i.e., files like Xournal annotated PDFs, text files, Writer documents, etc.) to the documents in your bibliography.

The sources can be found here. Also, release notes for the latest version are here.

Installation instructions:

• Download the plugin.
• Invoke the following commands in your download folder:
  
  
  mkdir -p ~/.referencer/plugins
  tar -xf ReferencerNotes.v0.3.4.tar.bz2 -C ~/.referencer/plugins