Tag
Outdated References
Every CitationLab post tagged outdated references. A small collection for now; it grows as the topic recurs.
Guides
How old is too old? Reference currency by discipline
There is no universal expiry date on a reference. What ageing actually measures, how currency differs by field, and a five-minute audit of your own reference list.
Updating References
How to update outdated references before submission
Old editions, preprints that got published, moved DOIs, quietly retracted papers — the systematic way to bring a thesis reference list up to date before you submit.