Excellent! All of your areas sound very colourful and seem to call for a very diverse linguistic ability.
So I see Yiddish, Hebrew, German and Portuguese? Quite nice really.
I also received confirmation after submitting the application. So the application status says 'submitted', but that's all.
I myself am a medievalist. My background is Old Irish/Medieval Welsh and Old French lit, but I want to focus on Medieval Latin and Russian scholarship at Harvard. POI is Jan Ziolkowski who is happy to supervise any future dissertation projects. So proposed four languages for now are Latin, Old French, either Middle High German or Greek, and Russian at least as the instructional language they mention. Also interested in palaeography and digital humanities. So looking at the secondary field in Medieval Studies or Germanic Languages and Literatures.
I spent a week in Harvard in October and talked to David Damrosch, Gregory Nagy, Jan Ziolkowski, James Engell and Luis GirĂ³n-Negron. All of them really helpful and generous with their time.
Hope it all works out in the end!
Good luck to you all!