Time Period of Publishing*

Since 2020

2000s & 2010s

80s & 90s

60s & 70s

Early 20th Century

18th and 19th Centuries

Before 1700

* Disclaimer: 

Some works are reprints and may not have the original publication date. I am still debating on how to resolve this -- either the original date, the most recent, or the highest citations. For now, I just go with the first listed CMOS citation on Google Scholar.