HINDUISM
The Yoga Sūtras of Patañjali
A short and highly compressed treatise setting out the practice and stages of yoga.
The Yoga Sūtras of Patañjali runs to 4 chapters, 196 sutras. The whole of it is held here and free to read, searchable by reference or by the words in it.
The edition held here is Johnston (1912) (1912), in English, in the public domain, from Project Gutenberg.
It sits on the estate's shelf of 106 sacred works, beside the complete Douay-Rheims Bible, an atlas of the places named in scripture, a timeline and a genealogy.