Rosemary Rogers complete name is Rosemary Jansz Navaratnam Rogers Kadison.
Author, music producer, humorist and researcher Rosemary Rogers (Mother-daughter movies, Birthday book of Saints, Saints Preserve Us!) is not Rosemary Rogers the Queen of Historical Romance, author of most of the other books above. And the Rosemary Rogers who coauthored Nurses at Risk is likely a third author of that name.
Adding a middle initial (when appropriate) may help your work be associated with other copies of the same work and other works by the same author. This author should NOT be combined with authors which have middle names/initials indicated.
Combination issues