Manual bibliography, separated or multiple parts

• Create several separate thebibliography environments;

• Redefine the \bibname macro (for the book and report class) or the \refname macro (for the article class) before every environment as desired;

• To achieve unambiguous numbering of your bibitems, define a new counter (say, firstbib), use this counter to save the value of enumiv at the end of every thebibliography environment and reset enumiv to the value of firstbib at the start of the next environment.

• (Note, however, that if you're using natbib, then the counter is NAT@ctr instead of enumiv.)

Because the redefinitions of \bibname/\refname take place after \begin{document}, this solution also works if one uses the babel package.

\documentclass{article}

\newcounter{firstbib}

\begin{document}

\section{foo}

Some text \cite{A01,B02,C03}.

\renewcommand{\refname}{Literary works}

\begin{thebibliography}{9}

\bibitem{A01} A. Author. \emph{Alpha}. 2001.

\bibitem{B02} B. Buthor. \emph{Bravo}. 2002.

\setcounter{firstbib}{\value{enumiv}}

\end{thebibliography}

\renewcommand{\refname}{Web references}

\begin{thebibliography}{9}

\setcounter{enumiv}{\value{firstbib}}

\bibitem{C03} C. Cuthor. \emph{Charlie}. 2003.

\end{thebibliography}

\end{document}

A much easier solution is using the biblatex package and defining a refsection environment in the body of the chapter.

\chapter{Blah}
\begin{refsection}% 3rd `refsection`

\end{refsection}

To print the bibliography you use:

\printbibliography[section=3,title={Blah Bibliography}]

The only difference is that you have to run bibtex for each *-blx.aux file.

Creating bibliographies that depend on criteria is also possible.