Who wrote the book 'Poverty and Un-British Rule in India' / 'Drain of Wealth' theory?

Who wrote the book, Poverty and un-British Rule in India?

Who wrote 'Poverty and Unbritish Rule in India'?

Who authored the book “Poverty and the Unbritish Rule in India”?

In 1901 who has published the book 'Poverty and Un-British Rule in India'?

Who among the following was the author of the book 'Poverty and Un-British Rule in India'?