Other relevant threads in my opinion are:

Within this thread is a must read on Levies, the name used for such units in the British Empire, Small Wars pre-1914: Canadian input:http://council.smallwarsjournal.com/...ad.php?t=13854

JMA has referred to the Germa campaign in East Africa, often linked to their general Von Lettow Vorbeck; this is a short thread:http://council.smallwarsjournal.com/...read.php?t=651

Staying with WW1 there is 'TE Lawrence: a merged thread':http://council.smallwarsjournal.com/...ead.php?t=5330

The 'small war' in Oman has a thread 'Oman campaign: catch all' where the British and others followed this approach is on:http://council.smallwarsjournal.com/...ad.php?t=11106

'South Africa's COIN war in SWA/Namibia/Angola' as it includes the South African experience with ex-FNLA fighters forming 32 Buffalo Battalion and the police unit Koevoet: http://council.smallwarsjournal.com/...ad.php?t=10859

Not to overlook the political aspect, which is covered in 'The Role of the British Political Officer on the North West Frontier':http://council.smallwarsjournal.com/...ead.php?t=7518

I am sure Steve Blair and others will know of the American historical experience.