▁ 3 9 9 – 4 2 5 , ▁and ▁( 4 ) ▁Library ▁of ▁Congress , ▁" H is pan ic ▁Americans ▁in ▁Congress , ▁ 1 8 2 2 - 1 9 9 5 : ▁Edward ▁R . ▁Roy bal ," ▁Online : ▁https :// www . loc . gov / rr / his pan ic / con gress / roy bal . html ▁ ▁External ▁links ▁| ▁The ▁Edward ▁R . ▁Roy bal ▁Leg acy ▁G ala ▁NA LE O ▁ ▁Further ▁reading ▁▁ ▁B urt , ▁Kenneth ▁C . ▁ ▁The ▁Search ▁for ▁a ▁C iv ic ▁Vo ice : ▁California ▁Lat ino ▁Polit ics . ▁ ▁Cla rem ont , ▁CA : ▁Regin a ▁Books , ▁ 2 0 0 7 . ▁▁▁▁ ▁San chez , ▁George ▁J ., ▁" Ed ward ▁R . ▁Roy bal ▁and ▁the ▁Polit ics ▁of ▁Mult ira cial ism ," ▁Southern ▁California ▁Qu arter ly , ▁ 9 2 ▁( Spring ▁ 2 0 1 0 ), ▁ 5 1 – 7 3 . ▁ ▁| - ▁ ▁| - ▁ ▁| - ▁ ▁| - ▁ ▁Category : 1 9 1 6 ▁birth s ▁Category : 2 0 0 5 ▁death s ▁Category : 2 0 th - century ▁American ▁polit icians ▁Category : Cal iforn ia ▁Democr ats ▁Category : C ens ured ▁or ▁repr im and ed ▁members ▁of ▁the ▁United ▁States ▁House ▁of ▁Representatives ▁Category : C ivil ian ▁Conserv ation ▁Corps ▁people ▁Category : D em ocr