https://openn.library.upenn.edu/Data/0002/html/h101.html
OPenn: Halper 101 Maimonides' commentary on the Mishnah, Middot 1:8-2:4
https://jostockthul.moseltourer.de/
Weingut Karl Jostock-Thul & Sohn · Moseltourer Adventures
weingutkarlampsohnmiddot
https://nishmablog.blogspot.com/2009/08/book-review-sefer-mada-halachic.html
NishmaBlog: Book Review: Sefer Mada - a Halachic approach to Middot and Hashqafa - Overview
Most approaches to character development and to Machshava / Hashqafa / Weltanshaung involve Sifrei Mussar . If not Mussar , then Qabbalah ...