Later these were expanded into colleges of humanities, economics, and law. Further on, colleges of medicine, business, and engineering were established.
這些個學科在大正時期又擴充成文學、經濟學及法學部，與後來成立的醫學、商學及理工學部合組成慶應大學大學部，是為慶大的六大學部（我國稱為六大學院）。