Most American academic libraries use the Library of Congress Romanization scheme in their catalogs. However many publications prefer to use other schema. As a result, the form that you see on a title page or in a citation may not be the form used in library catalogs.
Chreiteh, Alexandra. Always Coca-Cola, Shuraytiḥ, Aliksandrā (1987-); Dāyiman Kūkā-kūlā (2009)
Khaal/Kahal, Abu Bakr. African Titanics, Kahhāl, Abū Bakr Ḥāmid; Taytānikāt Afrīqīyah (2008)
Al Khamissi, Khaled. Taxi, Khamīsī, Khālid (1962-); Tāksī (2007)
Salih, Tayeb. Season of Migration to the North, Ṣāliḥ, al-Ṭayyib (1929-2009); Mawsim al-hijrah ilá al-shamāl (1967)