I grew up in a part of Canada with a large Asian community, but regardless of ethnicity, almost everyone I knew took off their shoes before entering the house. I always thought wearing shoes inside the house only happened on TV, especially if the floor was carpeted.
I had quite a number of BSC books but not the whole collection, I mostly borrowed them from the library. A couple of years ago, my parents cleared out their house and I agreed to donate most of my books, including the entire portrait collection. I might still have a couple of them left but I’ll never know because thanks to CO