Noting the dates of available materials within archives or sources can be useful on bibliography notes for either planning or revisiting sources. (p16,18)

Similarly one ought to note missing dates, data, volumes, or resources at locations to prevent unfruitfully looking for data in these locations or as a note to potentially look for the missing material in other locations. (p16)

Surprising! particularly since they traditionally come at the end.

Though for teaching purposes, I can definitely see a professor wanting it up front. I also frequently skim through bibliographies before starting reading works now, though I didn't do this in the past. Reading a bibliography first is an excellent way to establish common context with an author however.

I'm pretty sure I can wire up something simple to do this to dovetail with Zotero.