(some of the links are broken, but you can google by the name of the resource)
It turns out there are actually many design related journals but not so many journals focused mainly on type design and lettering. So the choice will depend on the topic of your work.
There is also the International Conference on Typography & Visual Communication, in Greece, which publishes a volume of the papers accepted. It is only once every three years, though.
Comments
http://www.alphabettes.org/academic-publishing-on-typography/
It turns out there are actually many design related journals but not so many journals focused mainly on type design and lettering.
So the choice will depend on the topic of your work.
This year: https://ictvc.org/2022/en/ early July in Thessaloniki
deadline is Feb 26, 2022.