"I believe if you have an automated system, you will probably find something called an "authority…"

"I would use the letters for the name on the book in question but add some cross references in your…"

"Cathy,
We have quite a few series and since we are still using cards and pockets, we write the…"

"Cathy, look on LifeWay.com for the resource:  Church Library Ministry Information Service.  It is…"