Complex sentence: Murdock also founded the Human Relations Area Files (HRAF) at Yale in the 1940s, but the SCCS contains a different set of cultures, uses a different set of ethnographic sources, and can be considered entirely distinct from the HRAF.
Split into simpler sentences: Murdock also founded the Human Relations Area Files (HRAF) at Yale University in the 1940s. However, the SCCS contains a different set of cultures, uses a different set of ethnographic sources, and can be considered entirely distinct from the HRAF.