https://ftp2.ru.freebsd.org/pub/CTAN/fonts/mpfonts/type3/mpfonts-cmfrak/
Index of /pub/CTAN/fonts/mpfonts/type3/mpfonts-cmfrak/
index ofpubctanfonts
https://mirror.math.princeton.edu/pub/CTAN/fonts/mpfonts/type3/mpfonts-cmfrak/
Index of /pub/CTAN/fonts/mpfonts/type3/mpfonts-cmfrak
index ofpubctanfonts