There are a few other reports on the topic in the NASA archives. Such as this one which references the report linked to by this post. Designing Flight Deck Pro

There are a few other reports on the topic in the NASA archives. Such as this one which references the report linked to by this post. Designing Flight Deck Procedures - 2005 - https://ntrs.nasa.gov/search.jsp?R=20110016464&hterms=Typography&qs=N%3D0%26Ntk%3DAll%26Ntt%3DTypography%26Ntx%3Dmode%2520matchallpartial https://ntrs.nasa.gov/search.jsp?R=20110016464&hterms=Typogr...