Weingarten, S. “Etrog: How a Chinese Fruit Became a Jewish Symbol and The Etrog Citron (Citrus Medica L): Tradition and Research. Essays on the Scientific, Halachic and Historical Significance of the Etrog”. Journal of the AOS, vol. 141, no. 2, Aug. 2021, pp. 469–472, doi:10.7817/jaos.141.2.2021.rev025.