The Americas, official standard names approved by the United States Board on Geographic Names
In: http://hdl.handle.net/2027/pst.000015229533
"U.S. Government Printing Office : 1971 O - 444-971"--P. 86. ; "Contains corrections to entries in BGN gazetteers for Greenland, Canada, and the countries of Central America, South America and the Caribbean area"-- Foreword. ; Mode of access: Internet.