Referral's Country
Afghanistan Albania Algeria Andorra Angola Antigua and Barbuda Argentina Armenia Australia Austria Austrian Empire Azerbaijan Baden Bahamas Bangladesh Barbados Bavaria Belarus Belgium Belize Benin (Dahomey) Bolivia Bosnia and Herzegovina Botswana Brazil Brunei Brunswick and Lüneburg Bulgaria Burkina Faso (Upper Volta) Burma Burundi Cabo Verde Cambodia Cameroon Canada Cayman Islands Chad Chile China Colombia Comoros Congo Free State Cote d’Ivoire (Ivory Coast) Croatia Cuba Cyprus Czechia Czechoslovakia Democratic Republic of the Congo Denmark Djibouti Dominica Dominican Republic Duchy of Parma East Germany (German Democratic Republic) Ecuador Egypt El Salvador Equatorial Guinea Eritrea Estonia Eswatini Ethiopia Fiji Finland France Gabon Gambia Germany Ghana Greece Grenada Guatemala Guinea Guinea-Bissau Guyana Haiti Hanover Hanseatic Republics Hawaii Hesse Holy See Honduras Hungary Iceland India Indonesia Iran Iraq Ireland Israel Italy Jamaica Japan Jordan Kazakhstan Kenya Kingdom of Serbia/Yugoslavia Kiribati Korea Kosovo Kuwait Kyrgyzstan Laos Latvia Lebanon Lesotho Lew Chew Liberia Libya Liechtenstein Lithuania Luxembourg Madagascar Malawi Malaysia Maldives Mali Malta Marshall Islands Mauritania Mauritius Mecklenburg-Schwerin Mecklenburg-Strelitz Mexico Micronesia Moldova Monaco Mongolia Montenegro Morocco Mozambique Namibia Nassau Nauru Nepal Netherlands New Zealand Nicaragua Niger Nigeria North Korea North Macedonia Norway Oldenburg Oman Pakistan Palau Panama Papua New Guinea Paraguay Peru Philippines Poland Portugal Qatar Republic of Korea (South Korea) Republic of the Congo Romania Russia Rwanda Saint Kitts and Nevis Saint Lucia Saint Vincent and the Grenadines Samoa San Marino Sao Tome and Principe Saudi Arabia Senegal Serbia Seychelles Sierra Leone Singapore Slovakia Slovenia Solomon Islands Somalia South Africa South Sudan Spain Sri Lanka Sudan Suriname Sweden Switzerland Syria Tajikistan Tanzania Texas Thailand Timor-Leste Togo Tonga Trinidad and Tobago Tunisia Turkey Turkmenistan Tuvalu Uganda Ukraine United Arab Emirates United Kingdom United States Of America Uruguay Uzbekistan Vanuatu Venezuela Vietnam Württemberg Yemen Zambia Zimbabwe