DH: Don’t own a copy. Interestingly, I was at a sheva brachos two weeks ago (feels like longer) where someone whose father was close with the Bobover zy”a told me some very interesting things about levush.
Re wearing all white, according to the original source in the mishnah, the problem was that it was derech haminim. The early Christians did it, and IIRC the Karaites did too, which would explain why they were makpid on it in countries that had Karaites.