%%
%% The LaTeX Companion, 3ed
%%
%% Example 16-8-9 on page II-580 in "bibtopic --- Combining references by topic".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{231.0pt}

% Use a special naming convention for aux files (for the book):
%
\AtBeginDocument{\renewcommand\thebtauxfile{\jobname+\arabic{btauxfile}}}
% Small headings for the example
\makeatletter
\renewcommand\section{\@startsection{section}{1}{\z@}%
                                    {-1.25ex \@plus-1ex \@minus-.2ex}%
                                    {.8ex}%
                                    {\normalsize\bfseries}}
\makeatother

%StartShownPreambleCommands
\usepackage{bibtopic,jurabib}
\bibliographystyle{jurabib}
%StopShownPreambleCommands

\begin{document}
We saw the citations \cite{Knuth-CT-a},
\cite{aschur}, and \cite{bschur}.
\begin{btSect}{tlc-jura}
  \section*{Juridical literature}
  \btPrintCited
\end{btSect}
\begin{btSect}{tlc-tex}
  \section*{\TeX{} literature}
  \btPrintCited
\end{btSect}
\end{document}