From The Oakland Tribune, 18 May 1919, p. 13
Mrs. Baum Dies From Paralysis
Mrs. Guillerma Lowells Baum of 721 Wesley avenue, Piedmont, widow of Dr. Rudolph W. Baum, prominent San Francisco physician, passed away at the Placerville sanitarium late yesterday following a fatal attack of paralysis suffered two weeks ago while on a visit to her son on his Placerville ranch. She was 55 years old and is survived by two sons and three daughters, Horace C. Baum, Placerville; Rudolph E. Baum, Piedmont; Mrs. Percy A. Wood and Miss Celia Baum, Piedmont, and Mrs. Percival Buhn, San Francisco. All the children were at her bedside at the time of her death.
Mrs. Baum was a member of a prominent Spanish family coming from Mexico to El Dorado county. Her estate includes extensive property interests in Piedmont, Oakland, and San Francisco, and in interest in the Placerville water system.