Marit Ayin - Concern that an act may appear to be Halachically improper
Verses in Tanach
Talmud / Midrash and commentaries
Avodah Zarah 12a
Bava Metzia 90a
Bechorot 43b-44a
Beitzah 9a
Mishnah Kilayim 3:5, 9:2
Mishnah Shekalim 3:2
Mishnah Sheviit 3:4
Pesachim 13a
Shabbat 61b, 64b, 137a, 146b
Sotah 3a
Taanit 11b
Yerushalmi Kilayim 3:4
Yuma 38a
Rashi Taanit 11b s.v. beChaluk
Tosafot Avodah Zarah 12a s.v. Kol Makom
Tosafot Bava Metzia 69b s.v. Ki
Tosafot Eiruvin 77b s.v. Ee
Tosafot Ketuvot 60a s.v. Mema'achan
Tosafot Moed Katan 8b s.v. UMenasrin
Tosafot Shabbat 62a s.v. veHaTanya
Post Talmud / Midrash, Pre-Rishonim
Mishneh Torah and commentaries
Hilchot Shabbat 22:20
Hilchot Yom Tov 5:4
Rishonim [Pre-"Code of Jewish Law"]
Tur, Shulchan Aruch ["Code of Jewish Law"] and Commentaries
Acharonim [Post-"Code of Jewish Law"]
Recent Authorities
Aruch haShulchan Orach Chaim 301:118, 336:25
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