I've been absent from DV for a while now, but I have been lurking on the LD wikipedia article (I watch the changelog using the RSS feed).

Wikipedia being what it is, the issue of "citation needed" and "reliable sources" comes up fairly often. One is generally not allowed to substantiate ones claims by posting a link to a DreamViews thread, for example :-). There's also "original research". Articles are only really supposed to contain facts which can be verified (in the first instance) by looking at a single reliable source. You can't say: I know this to be true; look at the results from this cunning Google search; all of them say the nose RC works and none of them say it doesn't. That would be a kind of survey, i.e. original research. You would have to wait for a reliable source to do the survey.

Disclaimer: I'm a lurker, not a real editor. This is just my imperfect impression of how Wikipedia works.
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Recently the nose RC was added to the Wikipedia article on lucid dreaming. It doesn't cite any source, so this is likely to be removed by more hawkish characters who are also watching the changelog. If I remember correctly that's happened once already.

Q. I think it's interesting to ask where the nose RC came from. Was LD4ALL the first online forum to mention it? What was the first tutorial that included it? Can we find (pseudo-) names?

Q. More boringly, do you know any lucid dreaming book that includes the nose RC? I think any book would do, just so long as I could add a citation (Books by mainstream publishers would be best though). An academic paper which mentions the nose RC would be really nice, but I don't expect to be able to find one.