Upanishads

 Just discovered this 2021 open access German work on Weil and the Upanishads by Martina Bengert:

Bengert, Martina. 2021. "Die Seele als ,Zwischen“. Simone Weils Lesarten der Upanishaden " In Mystique et psychisme: une approche interculturelle = Mystik und Psyche in interkultureller Perspektive, edited by Christine Maillard and Sonia Goldblum, 123-136. Strasbourg: Presses Universitaires de Strasbourg.  https://journals.openedition.org/rg/5978

A search on the Simone Weil Bibliography for Upanishads currently reveals 7 other entries.