\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{jbw-bib-settings}%[YYYY/MM/DD Description]

\let\jbwbf@oldthebibliography=\thebibliography

\renewcommand{\thebibliography}[1]
  {\let\jbwbf@oldlist=\list
   \let\jbwbf@oldsection=\section
   %\renewcommand{\list}[2]{\jbwbf@list{##1}{##2}}%
   \let\list=\jbwbf@list
   \let\section=\jbwbf@section
   \jbwbf@oldthebibliography{#1}}%

\newcommand{\jbwbf@list}
  {\let\list=\jbwbf@oldlist% restore normality for rest of document
   \relax% avoid expanding next line until previous line has taken effect
   \list}

\newcommand{\jbwbf@section}
  {\let\section=\jbwbf@oldsection% restore normality for rest of document
   \relax% avoid expanding next line until previous line has taken effect
   \section}

\newcommand*{\bibsettings}[1]
  {\renewcommand{\jbwbf@list}[2]
     {\let\list=\jbwbf@oldlist% restore normality for rest of document
      \relax% avoid expanding next line until previous line has taken effect
      % on next line we add in the extra list settings in the right place
      \list{##1}{##2#1}}}

\newcommand{\numberbibsection}
  {\renewcommand{\jbwbf@section}[1]
     % gobble "*" argument given by \thebibliography
     {\let\section=\jbwbf@oldsection% restore normality for rest of document
      \relax% avoid expanding next line until previous line has taken effect
      \section}}

\newcommand{\tinybibsettings}
  {%
   %\fontsize{8}{9.5}% same as \small
   \fontsize{7}{8}% same as \scriptsize
   %\fontsize{5}{6}% same as \tiny, really too small
   \selectfont
   \setlength{\topsep}{4pt plus 2pt minus 2pt}%
   \setlength{\itemsep}{0.5pt plus 2pt minus 1pt}%
   % must recalculate \labelwidth after changing font
   \settowidth{\labelwidth}{[20]}%
   % put the labels flush left
   \renewcommand{\makelabel}[1]{##1\hfil}
   % usually \leftmargin = \labelwidth+\labelsep
   \setlength{\leftmargin}{0pt}%{0.5em}%
   % must recalculate \itemindent after changing \labelwidth or \leftmargin
   \setlength{\itemindent}{\labelwidth}%
   \addtolength{\itemindent}{-\leftmargin}%
   \addtolength{\itemindent}{\labelsep}%
   % no vertical space between items
   \setlength{\parsep}{0pt}%
   %\setlength{\listparindent}{\itemindent}% ignored for 1st paragraph in item
  }


\newcommand{\tinybib}
  {\bibsettings{\tinybibsettings}}