Halakhic texts relating to this article

Yoreh De'ah 113:7, 113:16, and 118:12

Yabia Omer, Vol. 5, responsa 20:7 and Igros Moshe Vol. 1,61

Chalav Yisrael

Kosher foods

Kosher wine

Pas Yisroel

OUKosher.org: Aish M'aish: Bishul Yisroel