#. It has two types – Krishna (Black/Dark) & Shukla (White/Bright). # Krishna Yajurveda has an un-arranged, unclear, motley collection of verses. # Shukla Yajurveda has arranged and clear verses. # The oldest layer of Yajurveda has 1875 verses mostly taken up from Rigveda. # The middle layer of the Veda has Satapatha Brahmana which is a commentary of Shukla Yajurveda. # The youngest layer of Yajurveda consists of various Upanishads – Brihadaranyaka Upanishad, the Isha Upanishad, the Taittiriya Upanishad, the Katha Upanishad, the Shvetashvatara Upanishad and the Maitri Upanishad. # Vajasaneyi Samhita is the Samhita in the Shukla Yajurveda. # There are four surviving recensions of the Krishna Yajurveda – Taittiriya saṃhita, Maitrayani saṃhita, Kaṭha saṃhita, and Kapisthala saṃhita.