Complex sentence: Many of the existing books contain references to the Chilam Balam and both indigenous and foreign scholars occasionally refer to all the disparate texts found within a particular manuscript as'books of Chilam Balam'.
Split into simpler sentences: Many of the existing books contain references to the Chilam Balam. Both indigenous and foreign scholars occasionally refer to all the disparate texts found within a particular manuscript as'books of Chilam Balam'.