Bardo Thodol
"Padmasambhava" is quoted in the Bardo Thodol (Antarabhavatantra - "Tibetan Book of the Dead"): "The crucial point is indeed that those who have meditated on the formal description of these Herukakaya ('bodies of Heruka'), and also made offerings and praise to them, or, at the very least, have simply seen their painted and sculpted images, may recognise the forms that arise here and attain moksha (liberation)."