Peter Adamson, professor of philosophy at Ludwig-Maximilians-Universität in Munich and creator of the podcast History Of Philosophy Without Any Gaps, has put together a list of 20 rules or “suggestions of best practice” for doing the history of philosophy.
The rules were culled from various podcasts and posts over the past couple of years. Some of them, he admits, are obvious, and others he says he ought not have to say but must owing to common violations of it.
Read more at the Daily Nous (summary), or History of Philosophy (original version). Lots of good advice here, and I think this is useful for more general work in the history of thought or intellectual history too. Many of these are principles I try to follow (but don’t necessarily or always succeed in doing…)