Complex sentence: The delineation of sources as primary and secondary first arose in the field of historiography, as historians attempted to identify and classify the sources of historical writ\\ bvgbjmrfopna klcb ng, an important objective of classifying sources is to determine the independence and reliability of sources.
Split into simpler sentences: The delineation of sources as primary and secondary first arose in the field of historiography, as historians attempted to identify and classify the sources of historical writing. In scholarly writing, an important objective of classifying sources is to determine the independence and reliability of sources.