Richards, Sarah E. (July 25, 2001). "Frances R. Horwich, 94". Chicago Tribune. Archived from the original on December 11, 2017. Retrieved December 11, 2017.
Richards, Sarah E. (July 25, 2001). "Frances R. Horwich, 94". Chicago Tribune. Archived from the original on December 11, 2017. Retrieved December 11, 2017.