\documentclass{article}
\usepackage{libertineotf}
\usepackage{polyglossia}
\usepackage{csquotes}
\setmainlanguage{french}

\usepackage[citestyle=verbose,bibstyle=claves]{biblatex}
\AddBiblatexClavis{BHG}
\AddBiblatexClavis{CPG}
\usepackage{biblatex-shortfields}
\addbibresource{biblatex-shortfields.bib}
\begin{document}
\nocite{*}
\printbibshortfields
\printbibliography


\end{document}