User:LouisAragon/sandbox/Great Grotto Khosrow II

http://www.iranicaonline.org/articles/sasanian-rock-reliefs

https://books.google.nl/books?id=883OZBe2sMYC&pg=PA67&dq=great+grotto,+taq+bostan&hl=nl&sa=X&ved=0ahUKEwjy-ZGUxJ7hAhXEbVAKHaHdD3kQ6AEINjAC#v=onepage&q=great%20grotto%2C%20taq%20bostan&f=false

https://books.google.nl/books?id=VsqJDwAAQBAJ&pg=PA85&dq=great+grotto,+taq+bostan&hl=nl&sa=X&ved=0ahUKEwjy-ZGUxJ7hAhXEbVAKHaHdD3kQ6AEIPTAD#v=onepage&q=great%20grotto%2C%20taq%20bostan&f=false

https://www.livius.org/articles/place/taq-e-bostan/taq-e-bostan-large-cave/

http://www.silkroadfoundation.org/newsletter/vol14/Compareti_SR14_2016_71_83.pdf

http://www.iranicaonline.org/articles/khosrow-ii

http://www.oxfordreference.com/view/10.1093/acref/9780198662778.001.0001/acref-9780198662778-e-4595?rskey=ZOWKDQ&result=4801

http://www.oxfordreference.com/view/10.1093/acref/9780198662778.001.0001/acref-9780198662778-e-2645#

http://www.oxfordreference.com/view/10.1093/acref/9780198662778.001.0001/acref-9780198662778-e-2645#