https://mirrors.ibiblio.org/pub/mirrors/CTAN/macros/jptex/latex/pxbase/
Index of /pub/mirrors/CTAN/macros/jptex/latex/pxbase/
index ofpubmirrorsctanmacros
https://mirror.math.princeton.edu/pub/CTAN/macros/jptex/latex/?C=N;O=A
Index of /pub/CTAN/macros/jptex/latex
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