TEXTES :

http://www.worldlingo.com/ma/enwiki/en/Langstroth_hive
http://apiculture-populaire.com/pdf/ (brevet langstroth)
http://www.michiganbeekeepers.com/beekeeping-basics/langstroth
 

IMAGES :

- http://www.badische-imker.de/downloads/festschrift.pdf (Liebich)
- http://i.colnect.net/images/f/466/467/Father-Jan-Dzierzon.jpg (timbre)
- http://www.kluczbork.pl/kluczbork/historia/dzierzon.php (portrait)
- http://2.bp.blogspot.com/_jWTkabmxuY4/SKsTi00F6vI/AAAAAAAAACE/ZkqetVnfDY8/s1600-h/Stewarton-1.jpg(stewarton)
- http://www.culturaapicola.com.ar/apuntes/libros/05_Munn/Munn_total.pdf (munn)

     


 

 

 

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