% % This example will yield the same output as the 'keywords' example % but the approach is different. Instead of adding the filter % criteria to the bib file, we assign keys to categories in the % document preamble and use 'category' filters to create a % subdivided bibliography. % \documentclass[a4paper,oneside]{book} \usepackage[T1]{fontenc} \usepackage[utf8]{inputenc} \usepackage[american]{babel} \usepackage{csquotes} \usepackage[style=authortitle,backend=biber]{biblatex} \usepackage{hyperref} \addbibresource{biblatex-examples.bib} \DeclareBibliographyCategory{primary} \DeclareBibliographyCategory{secondary} \addtocategory{primary}{aristotle:anima,aristotle:physics,averroes/bland} \addtocategory{secondary}{hyman,moraux,nussbaum,pines} \defbibheading{primary}{\section*{Primary Sources}} \defbibheading{secondary}{\section*{Secondary Sources}} \begin{document} \chapter{References by category} This is just filler text.\footcite{aristotle:anima} This is just filler text.\footcite{nussbaum} This is just filler text.\footcite{averroes/bland} This is just filler text.\footcite{hyman} This is just filler text.\footcite{aristotle:physics} This is just filler text.\footcite{moraux} This is just filler text.\footcite{pines} \printbibheading \bibbycategory % % \bibbycategory processes the categories in the order in which they % were declared. Note that the category name also serves as a heading % identifier, i.e. you need to define a matching heading for every % category. In this document, \bibbycategory is a shorthand for: % % \printbibliography[heading=primary,category=primary] % \printbibliography[heading=secondary,category=secondary] % ... \end{document}