I came across the following online resources regarding the thirteen priciples of faith:
The thirteen principles in Hebrew.
A rough translation of the thirteen principles.
Three of the four sections of Dr. Arthur Hyman’s classic article Maimonides’ Thirteen Principles
Solomon Schechter’s essay The Dogmas of Judaism
R. Shmuel Yaakov Weinberg’s book Fundamentals and Faith: Insights into the Rambam’s 13 Principles, written by R. Mordechai Blumenfeld based on R. Weinberg’s lectures.
R. Dovid Gottlieb (of Baltimore)’s lecture series on the thirteen principles.