Hi First, thumbs up for fonts-recommended.
What about including select serif fonts, here's a few I packaged (I wouldn't add them all but maybe one or two):
http://crudfactory.com/font/show/fanwood http://crudfactory.com/font/show/gb1911 http://crudfactory.com/font/show/lindenhill http://crudfactory.com/font/show/prociono https://packages.debian.org/unstable/fonts-junicodehttps://company.paratype.com/pt-sans-pt-serif (cyrillic, not sure if it only covers russia, or also serbia)
https://www.yanone.de/fonts/kaffeesatz/ http://vollkorn-typeface.com/ (greek, cyrillic..) Sans serif: https://packages.debian.org/unstable/fonts-opendin Cheers,