Gareth,Just two quick points.
I don't think Rupert Brooke even made it as far as Galipoli, did he? I seem to recall that he died without ever reaching there.
Second, I think that you'll find
http://whitewolf.newcastle.edu.au/words/authors/K/KiplingRudyard/index.htmlis a better sourse for Kipling verse, The "Complete" Kipling (on the Poetry Lover's Page) simply isn't - a number of the verses and all the epitaphs are missing.
Walrus