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I'm using an internal bibliography in my main .tex file :

\begin{thebibliography}{100}

Is there a way to tell which entries I'm not referencing so I can remove them? I'm using texshop, and except for a

LaTeX Warning: There were undefined references.

it tells me nothing more specific (I think).

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The LaTeX Warning: There were undefined references. tells you that you either using \refs without proper \labels or IIRC a wrong \cite. –  Martin Scharrer Feb 1 '11 at 10:34
1  
Further up in the log file there will be more specific message telling you what references weren't defined. –  Seamus Feb 1 '11 at 10:40
1  
did you run latex->bibtex->latex ? –  Herbert Feb 1 '11 at 11:04

1 Answer 1

up vote 3 down vote accepted

First, to find out uncited bibliography item, you can use

\usepackage[backref]{hyperref}

to enable back reference. Be sure that there is a blank line after each \bibitem. Then check the pdf file, you'll see uncited item clearly.

Test file:

\documentclass{article}
\usepackage[backref]{hyperref}
\begin{document}
\cite{foo}

\begin{thebibliography}{ab}
\bibitem{foo} foo

\bibitem{bar} bar

\end{thebibliography}
\end{document}

Second, for cross references, which is an independent question, there should be a waring like:

LaTeX Warning: Reference `XXX' on page 123 undefined on input line 1234.
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I think he is looking to find out which entries in the thebibliography environment are not cited, not which cites are not in the environment. –  Martin Scharrer Feb 1 '11 at 11:56
    
Ah, I missed it. There're two independent questions. –  Leo Liu Feb 1 '11 at 12:19
    
Sorry. I was not clear in my question. I was indeed looking for uncited references which was answered by @Leo. The error message I was pointing out has nothing to do with this, and the cross reference problem was not my present issue. –  Nigu Feb 3 '11 at 9:10

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