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\begin{document}

\nocite{barcott:review:15,donne:var:15,shapey:partita:15,viv:amlen:15}
\section*{Appendix: \texttt{authordate-trad} References}
\label{sec:trad:appendix}
\printbibliography[heading=none]

\twocolumn%[\Large \texttt{The trad Database File}]
\vspace*{-6pt}
\begin{lstlisting}[language=BibTeX,label=prologue]
%% Database entries used to produce
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\end{lstlisting}
\begin{lstlisting}[language=BibTeX,label=barcott:review:15]
*\adlnbackref{Article}{barcott:review:15}*,
  journaltitle = {New York Times Book Review},
  author =	 {Barcott, Bruce},
  date = 	 {2000-04-16},
  entrysubtype = {magazine},
  title =	 {\bibstring{reviewof} \mkbibemph{The last marlin: The story of a family at sea}, \bibstring{by} {Fred Waitzkin}},
  pages =	 7
}
\end{lstlisting}
\begin{lstlisting}[language=BibTeX,label=donne:var:15]
*\adlnbackref{Book}{donne:var:15}*,
  author =	 {Donne, John},
  editor =	 {Stringer, Gary~A.},
  title =	 {The \mkbibquote{Anniversaries} and the \mkbibquote{Epicedes and obsequies}},
  namea =	 {Stringer, Gary~A. and Pebworth, Ted-Larry},
  publisher =	 {Indiana Univ.\ Press},
  maintitle =	 {The Variorum Edition of the Poetry of {John Donne}},
  year =	 1995,
  volume =	 6,
  location =	 {Bloomington}
}
\end{lstlisting}
\begin{lstlisting}[language=BibTeX,label=shapey:partita:15]
*\adlnbackref{Misc}{shapey:partita:15}*,
  author = 	 {Shapey, Ralph},
  title = 	 {Partita for violin and thirteen players},
  titleaddon = 	 {score},
  entrysubtype = {music},
  date = 	 1966,
  note = 	 {Special Collections},
  organization = {Joseph Regenstein Library},
  institution =  {University of Chicago}
}
\end{lstlisting}
\begin{lstlisting}[language=BibTeX,label=viv:amlen:15]
*\adlnbackref{Review}{viv:amlen:15}*,
  author = 	 {Viv},
  entrysubtype = {magazine},
  title = 	 {comment on Amlen, Hoot},
  nameaddon = 	 {(Jerusalem, Isr.)},
  crossref = 	 {amlen:hoot},
  eventdate = 	 {2015-01-27}
}
\end{lstlisting}
\end{document}
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