Many machlokes Reb Elazar and Reb Shmuel Narchmani including how long the sun stayed up for yeshoshua,and halachos about yichud of a woman with a goy

Reb shailus's understanding in Rev Eliezer that a para aduma can't be bought from a goy because of vikchu and chshas rivia,and many questions in tanach on Reb Eliezer that we see they bought korbonos from goyim

More answers to the Stira if we can trust goyim with animals and does the Para aduma have a din kudshei mizbayach or mizbayach

21 questions on the three bchiyos of Rebbe

Partnerships with a goy and splitting the profits,and trusting a goy with animals in the punduk 

Machlokes Reb yosi and Reb Meir about selling and renting properties,bathhouses and fMikes's to goyim and cusim 

The issue of lo sichonem,not gazing at woman,and selling a goy different types of karaka al minas liktoz 

Drashos of the first 3 pesukim in tehilim,learning where and what one wants to learn,and who wants life?

Why Reb chanina ben tradyon and his family were punished,the story of him being executed and the executioner going to olam haba,and the bad things that happen to leitzanim

The famous Gemara of Reb Elazar Ben durdaya and when Reb chanina Ben tradyon and Reb elazar Ben prata were captured