General sites

Leonberger Club of Great Britain 
http://www.leonbergerclubofgb.com/

Leo Rescue
https://www.lcgb-leonberger-rescue-welfare.com/
​
​​Leonberger Health Foundation International
https://www.lhfi.org/

The UK Kennel Club -                           http://www.the-kennel-club.org.uk/

​International Leonberger Union -http://www.leonbergerunion.com/

Another great puppy buyers' guide
http://www.champdogs.co.uk/info/puppybuyer

​Federation Cynologique Internationale - http://www.fci.be/

List of toxic plants
http://www.aspca.org/Pet-care/poison-control/Plants.aspx

Leonberger Databases:

The Original Leonberger Database (no longer updated) - http://www.leonbergerdatabase.com/

The UK Leonberger Studbook - http://www.leonbergerstudbook.co.uk/

International Leonberger Database 1
http://www.leonberger-database.com/

Other sites:

Breeders across Europe
http://www.eurobreeder.com

Home of Juno's sire
LEONBERGER von den ADLER-LÖWEN

Breeders of Hana's sire
/www.jantonelyleos.com/

Altonastigens kennel in Sweden (Sommar and Ellie's breeder) https://www.altonastigens.se/​

Niklas vom Lowengarten's page (Bella's sire)
www.leohome-becker.de

Lowe Vom Osning's site (breeders of Ellie's sire) http://www.leonberger-hun.de/

Dragongardens (Breeder of Rufus' sire)
http://www.dragongarden.com/

Leos aus dem Sumpfloch (Breeder of “D” litter sire)
http://www.sumpfloch-leos.de/

Les Leos du Temple d'Artemis 
(Breeder of our "F" litter sire) :http://www.letempledartemis.fr/4.html

Leandro Uit 'T Berggat - Sire of our "G" litter
http://users.telenet.be/leandro/

Sion-na-rush Irish leonbergers, home of "Lani", Lionscourt Etoile
http://www.irishleos.ie/