https://ctan.math.washington.edu/tex-archive/fonts/gothic/yfrak/?C=S;O=D
Index of /tex-archive/fonts/gothic/yfrak
index oftexarchivefontsgothic
https://lists.debian.org/debian-tex-maint/2008/07/msg00162.html
Bug#491993: please create ttf-yfrak package
bugpleasecreatettfpackage
https://lists.debian.org/debian-tex-maint/2008/07/msg00135.html
Bug#491993: please create ttf-yfrak package
bugpleasecreatettfpackage