Rabbi Kwass - Responsa Chabura: Why Put Etrog In Charoset?
Source material: https://docs.google.com/document/d/1IfSlmwnmTB837E9oHyOcQZYlNp9_pNKH/edit?usp=drive_link
Source material: https://docs.google.com/document/d/1IfSlmwnmTB837E9oHyOcQZYlNp9_pNKH/edit?usp=drive_link