It doesn't do much good to follow the link from an Author Guide to Logos.com when the resource is no longer available. Of course, Logos.com doesn't clearly mark it discontinued which allows one to waste time searching for it. I do, however, want discontinued items to appear in Publications as it current does.
I would suggest that Logos.com clearly mark the item linked to as discontinued. If it is practical, I would like the Publication section of the Author guide to show a red slash through the book icon for discontinued items.
from: Parks, Jessica, ed. Irenaeus: A Guide to His Life and Writings. Faithlife Author Guides. Bellingham, WA: Faithlife, 2017.
Orthodox Bishop Hilarion Alfeyev: "To be a theologian means to have experience of a personal encounter with God through prayer and worship."