Websites:

http://bootlegbiology.com/diy/capturing-yeast/

http://www.themadfermentationist.com/2011/04/ambient-spontaneous-yeast-starters.html

http://jesterkingbrewery.com/head-brewer-garrett-crowell-on-curating-native-yeast

https://farmhousebeerblog.wordpress.com/

http://www.craftcommander.com/brewing/2016/7/14/brewing-beer-with-a-sense-of-place-foraging-yeast-for-beginners

https://wildflowerbeer.com/

http://www.alesoftheriverwards.com/2016/01/harvesting-and-re-pitching-slurry.html

http://www.milkthefunk.com/wiki/

Milk The Funk Facebook group

http://brewingreality.blogspot.co.uk/  especially the flavour compounds of the week

http://draftmag.com/

Great Brettanomyces Facebook group

Books:

Tonsmeire, Michael. American Sour Beers: Brewers Publications, 2014

Sparrow, Jeff. Wild Brews: Brewers Publications, 2005

Buhner, Stephen H. Sacred and Healing Herbal Beers: Brewers Association, 1998

Ferguson, Euan. Craft Brew, 2016

Hamilton, Andy. Brewing Britain, 2015