http://www.hockerley.plus.com (Morphometry software)

http://www.mellifica.be (Belgian site for A.m.mellifera)

http://www.gbbg.net (Galtee Breeding Group, Ireland)

http://www.jamtbi.nu/ (A.m.mellifera conservation area, Sweden)

http://www.nordbiene.de/ (German A.m.mellifera site)

http://www.sicamm.org (European black bee conservation)

http://www.dunkle-biene.de (Austrian A.m.mellifera site)

http://www.biig.co.uk (Bee Instrumental Insemination Group)