Updated> Astronomy Resources 2021 White Paper Link Dataset Compilation
https://www.zillman.us/subject-tracers/astronomy-resources/
http://www.AstronomyResources.info/

The above is the associated white paper link dataset compilation of the Astronomy Resources 2021 Subject Tracer™ Information Blog by Marcus P. Zillman, M.S., A.M.H.A. It is now a 29-page .pdf document (732KB). Completely updated with all links validated and new links added on January 28, 2021. Other white papers are available by clicking here.