The earliest-known draft of the King James Bible offers clues to understanding how the volume was put together.

Source: Oldest King James Bible draft discovered: Did translators work alone? – CSMonitor.com

The researcher raises questions about whether the translators worked on teams or as individuals. The notes likely indicate that both happened. One can easily imagine individuals doing research independently and then sharing it with the group. That is still common practice today since most translations are prepared by editorial committees.