The BBC did a documentary titled “Coolies: How Britain Re-invented Slavery”. It’s mostly about Indian indentured labor world wide, but significant parts document the story as it pertains to British Guiana.
Several of the factoids mentioned are quite gruesome but recounted in a very pleasant manner.
You can view it on YouTube here.
You can read much more from John Edward Jenkins 1838-1910
in his book:
The Coolie his rights and wrongs
Notes of a journey to British Guiana, with a review of the system and of the recent commision of inquiry.
“A hundred thousand hogsheads of sugar per annum in the world, more or less, is a tittle compared with the question – Wether the toilers who produce it are wronged and unhappy?”