Originally published in Abraham J. Karp et al. (eds.), Threescore and Ten: Essays in honor of Rabbi Seymour J. Cohen on the occasion of his seventieth birthday (Hoboken, NJ: Ktav Publishing House, 1991) 133-41. In the responsa collection Sha’ar Efrayim by Rabbi Ephraim b. Jacob ha-Kohen (1616-78) of Vilna [1] there are two interesting…