References sources provide information about specific people, events, and topics. These can be great sources to help identify effect keywords when searching primary sources, and often provide citations for additional information including other primary or secondary sources.
Colonial Governors from the Fifteenth Century to the Present
by
David P. Henige
The names and years in office of colonial governors from Belgium, Denmark, France, Germany, Great Britain, Italy, Japan, the Netherlands, Portugal, Russia, Spain, Sweden and the United States in in foreign territories. Includes historical background on each colony.