Brahma Sutra systematizes and summarizes the philosophical and spiritual ideas in the Upanishads. It is one of the foundational texts of the Vedānta school of Hindu philosophy. Custodial history: Personal Collection. Extent and format of original material: Collection Level 23, Series Level: 33 files, File Level: 8 Vol of 13 folios, Item Level: Paper folios 13. Owner(s) of original material: Mukunda Luitel. Date not mentioned.