The history of the Southern Baptist Convention is the history of missions.
The International Mission Board, or Foreign Mission Board as it was previously known, has existed since the beginning of the Southern Baptist Convention in 1845.
The IMB has done an excellent job of keeping track of records and archives related to their mission of taking the gospel to the ends of the earth.
The IMB Archives is broken down into several areas like Board Minutes, Lottie Moon Correspondence, African American Heritage, Periodicals, and this interactive map of the the journey of Robert Willingham, Corresponding Secretary of the IMB,
Over the years there have been several books written about the history of the IMB. Below are few, beginning with the most recent.
The North American Mission Board, or Home Mission Board as it was previously known, came into existence with the beginning of the SBC in 1845. Then known as the Board of Domestic Missions, it served to take the gospel of Christ across the home fronts of North America.
NAMB has an excellent interactive timeline that details some of the history and accomplishments of their work.
Over the years there have been several books written about the history of the NAMB.