https://wolfishmusings.blogspot.com/2008/10/marcheshvan-what-about-martammuz.html
Wolfish Musings: (Mar)Cheshvan? What about MarTammuz?
A year ago, I was leading the services in shul on the Shabbos before Rosh Chodesh (Mar)Cheshvan . As is the custom on the Shabbos before Ro...
what aboutwolfishmusingsmarcheshvan
https://nishmablog.blogspot.com/2018/11/ketubah-and-cheshvanmarcheshvan.html
NishmaBlog: Ketubah and Cheshvan/Marcheshvan
From RRW https://www.thelehrhaus.com/commentary/putting-the-mar-back-in-marheshvan/
ketubahcheshvan