They are in order of most recent YEAR e.g. 2018, 2017 etc. and in month order within the year e.g. January, February etc.
Placing the older ones here will give me more room on my sidebar of the blog to showcase the more recent Handouts so the sidebar does not look so cluttered.
Check out the “Oldies” but “Goodies” here!
You will still find the two most recent years of Handouts in the sidebar of this blog for quick discovery.