http://www.therichest.com/luxury/most-expensive/the-15-most-expensive-alcoholic-beverages-in-the-world/
http://www.telegraph.co.uk/news/uknews/the_queens_diamond_jubilee/9274783/Diamond-Jubilee-whisky-goes-on-sale-for-120000-a-bottle.html
https://www.theguardian.com/lifeandstyle/wordofmouth/2011/sep/20/worlds-most-expensive-whisky-dalmore-62
https://www.champagnedirect.co.uk/pd_armand_de_brignac_midas.cfm
http://www.themost10.com/10-most-expensive-whiskeys-in-the-world/