mdo rgyud
From Rangjung Yeshe Wiki - Dharma Dictionnary
Sutra and Tantra. Sutra refers to the teachings of both Hinayana and Mahayana. Tantra refers to Vajrayana. Sutra means taking the cause as path. Tantra means taking the result as path [RY]
sutras and tantras TSE [IW]
sutras and tantras [JV]