USA TODAYPenny Marshall, star of 'Laverne & Shirley,' died of heart failureDec 31, 2018Hannah YasharoffBy Hannah Yasharoffmore_vert
PEOPLEPenny Marshall Died of Heart Failure Caused by Cardiovascular Disease and DiabetesDec 31, 2018more_vert
NewsweekWhat Was Penny Marshall's Cause of Death? Actor's Death Certificate RevealedDec 31, 2018Dory JacksonBy Dory Jacksonmore_vert