Mae’r Athro Williams yn adnabyddus am ei sylwebaeth ar amlddiwylliannaeth yng Nghymru, ac am ei thestun arloesol, “A Tolerant Nation? Exploring Ethnic Diversity in Wales”. Enillodd ei hunangofiant o dyfu i fyny yng Nghymru, “Sugar and Slate” wobr Llyfr y Flwyddyn yng Nghymru yn 2003. Mae wrthi ar hyn o bryd yn gweithio ar drydydd rhifyn‘Social Policy for Social Welfare Practice in Wales’sydd i’w gyhoeddi yn 2021.
Prof Williams is known for her commentary on issues of Welsh multiculturalism, and for her groundbreaking text “A Tolerant Nation? Exploring Ethnic Diversity in Wales”. Her award-winning memoir of growing up in Wales, “Sugar and Slate”, won Welsh book of the Year 2003. She is currently working on the third edition of the book‘Social Policy for Social Welfare Practice in Wales’due for publication in 2021.