Maybe you can find what you want here:
https://www.newinchess.com/media/wysiwyg/product_pdf/7627.pdf
https://www.newinchess.com/media/wysiwyg/product_pdf/7647.pdf
https://www.newinchess.com/media/wysiwyg/product_pdf/7648.pdf
https://www.newinchess.com/media/wysiwyg/product_pdf/7697.pdf
https://www.newinchess.com/media/wysiwyg/product_pdf/7706.pdf
https://www.newinchess.com/media/wysiwyg/product_pdf/7809.pdf
https://www.newinchess.com/media/wysiwyg/product_pdf/7887.pdf
https://www.newinchess.com/media/wysiwyg/product_pdf/7931.pdf
Please list book(s) -and their author(s)- concerned with endgame studies starting with basic endgames such as: R Vs R+p(s), R Vs R+B, R Vs R+N, ....etc. The more comprehensive the book the better.
Please stay on topic. I appreciate your contribution beforehand.