/usr/share/texlive/texmf-dist/bibtex/csf/ is in texlive-extra-utils 2013.20140215-2.
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/usr/share/texlive/texmf-dist/bibtex/csf/base/
/usr/share/texlive/texmf-dist/bibtex/csf/base/88591lat.csf
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/usr/share/texlive/texmf-dist/bibtex/csf/base/README.TEXLIVE
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/usr/share/texlive/texmf-dist/bibtex/csf/base/csfile.txt
/usr/share/texlive/texmf-dist/bibtex/csf/polish-csf/
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