Author
Australia
3
Great Britain
2
Norfolk Island
2
Saint Vincent and the Grenadines
2
Seychelles
2
Trinidad and Tobago
2
Tuvalu
2
Zimbabwe
2
Antigua
1
Antigua and Barbuda
1
Belize
1
Bermuda Islands
1
British Honduras
1
British Virgin Islands
1
Canada
1
East Pakistan (Pakistan)
1
Eastern Nigeria (Nigeria)
1
Falkland Islands
1
Ghana
1
Hong Kong
1
Jamaica
1
Kenya
1
Kiribati
1
Leeward Islands (Federation)
1
Montserrat
1
Nauru
1
Pakistan
1
Papua
1
Saint Lucia
1
Saint Vincent
1
Swaziland
1
Tonga
1
Western Samoa
1