BullionVault annual report - 2013
BullionVault annual report - 2014
BullionVault annual report - 2015
BullionVault annual report - 2016
BullionVault annual report - 2017
GoldMoney annual report - 2014
GoldMoney chairman letter - 2013
$51m - Rhodium ETF
BIS report - mentioned on WY call. Footnotes 32, 136, etc.