| Description | Includes research material concerning the following travellers:
-Irwin, Edward Machell Ingram, 4th Viscount
-Irvin or Irwin, James
-Irwin, John
-Irwin, Irvine or Erwin, Dr James
-Irwin, James and Martha
-Irwin, Mr
-Irwin, Gerard
-Isamburg, Lord
-Ischet, Mr
-Isom, Mr
-Isham, Sir Justinian
-Ives, Howard
-Ives, John
-Ivory, Thomas
-Izard, Ralph |