| Leonberger Club of Ireland | |
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| Name | Site | Function | |
| International Leonberger Union |  |
http://www.leonbergerunion.com | Umbrella Organisation of Leo Clubs Worldwide |
| Leonberger Club of Great Britian |  |
http://www.leonbergerclub.co.uk | Leonberger Club of Great Britain |
| International Leonberger Database |  |
http://www.ileodata.com | Leonberger Database |
| http://leonberger-database.com | |||
| Worldwide Independent Leonberger Database |  |
Leonberger Database | |
Independent Leo Gazette |
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http://www.leogazette.com | News From Around the World |