Feder et al. (2022) - Causal Inference in Natural Language Processing: Estimation, Prediction, Interpretation and Beyond (https://arxiv.org/pdf/2109.00725.pdf)
Keith et al. (2020) - Text and Causal Inference: A Review of Using Text to Remove Confounding from Causal Estimates (https://arxiv.org/pdf/2005.00649.pdf)