Historical Cut Glass Catalogs
One resource I used to help identify items and designs was the cut glass catalog. In doing some research, I found multiple available online at websites like the American Cut Glass Association.
At their Main Research Page I found a great resource that helped me understand what and how to research items. They had research pages like:
How to Use Online Cut Glass Research Materials
Brilliant Era Glass Cutting House Catalogs
Brilliant Era Glass Blanks Catalogs
Brilliant Era Glass Promotional Booklets
Distributor Catalog Cut Glass Sections
So many of these items were helpful, the ones that I went back to most often were the cutting house catalogs, especially the Meridian (1918) catalog as it was during the time period that I was working with, even though it was a different company.