@b4cks4w @amarand @thereg001 DINGDINGDING! We have a winner!
Catalog card blanks. We also have a huge number of separated blank ones that you need a typewriter to use.
BTW, I have kept the old card catalogs even though we have a great online catalog.
@MelissaHDavis @b4cks4w @amarand
Now i see it!! darn it.