Public Record Office of Northern Ireland:
Polar Exploration (image 6)
Public Record Office of Northern Ireland:
Polar Exploration (image 7)
Public Record Office of Northern Ireland:
Polar Exploration (image 9)
Public Record Office of Northern Ireland:
Polar Exploration (image 10)
Public Record Office of Northern Ireland:
Polar Exploration (image 12)
Public Record Office of Northern Ireland:
Polar Exploration (image 16)
Public Record Office of Northern Ireland:
Polar Exploration (image 17)
Public Record Office of Northern Ireland:
Polar Exploration (image 26)
Public Record Office of Northern Ireland:
Polar Exploration (image 28)
Public Record Office of Northern Ireland:
Polar Exploration (image 32)
Public Record Office of Northern Ireland:
Polar Exploration (image 46)
Public Record Office of Northern Ireland:
Polar Exploration (image 47)
Public Record Office of Northern Ireland:
Polar Exploration (image 48)
Public Record Office of Northern Ireland:
Polar Exploration (image 49)