Following a Footnote Trail Responsibly
Launch library · evergreen read
A footnote in someone else's work points toward a source, but it is not itself the source, and treating a citation as equivalent to having actually checked the underlying material is one of the quieter, more common shortcuts that can undermine an otherwise careful piece of research.
Following the trail back to the original source, rather than citing the secondary work that merely referenced it, protects against inheriting an earlier writer's misreading, outdated information, or simple transcription error, all of which can travel remarkably far once it has been repeated confidently enough times by enough writers.
Where the original source genuinely cannot be located or accessed, saying so honestly, and citing the secondary source as exactly what it is, keeps a piece of writing accurate about its own actual evidentiary foundation, rather than borrowing false certainty from a chain of prior citations. This small extra step, checking one link further back than seems strictly necessary, is often exactly where a quietly repeated error finally gets caught.