American Association for Crystal Growth (AACG) Save
Includes information on conferences, membership information, and a list of positions vacant in this field.
http://www.crystalgrowth.org/index.php   

American Crystallographic Association (ACA) Save
Includes a newsletter, information on annual conferences, information on careers and positions available, and related links.
http://aca.hwi.buffalo.edu//   

British Crystallographic Association (BCA) Save
Includes information about the activities of its groups, conference information, index and introduction to its newsletter, and related links.
http://img.cryst.bbk.ac.uk/BCA/   

Czech and Slovak Crystallographic Association (CSCA) Save
Association bulletin, information on seminars and conferences, and crystallography resources.
http://www.xray.cz/xray/cryst.htm   

European Crystallographic Association (ECA) Save
Includes minutes and reports of its executive council and groups, conference information, related news and lists of officials and rules, as well as membership information.
http://www.ecanews.org/   

International Union of Crystallography (IUCr) Save
Serves the world community of crystallographers.
http://www.iucr.org/   

IUCr Commission on Inorganic and Mineral Structures Save
Reaserch themes, members, info about meetings.
http://www.lcm3b.uhp-nancy.fr/cims/   

IUCr Commission on Mathematical and Theoretical Crystallography Save
Reaserch themes, members, info about meetings.
http://www.lcm3b.uhp-nancy.fr/mathcryst/   

Society of Crystallographers in Australia and New Zealand (SCANZ) Save
Includes lists of officials, conference information, membership information, newsletters, and links to educational resources.
http://www.sca.asn.au/   

Special Interest Group on Aperiodic Crystals Save
Modulated structures and quasicrystals
http://www-xray.fzu.cz/sgip/aphome.html   

Special Interest Group on Mineralogical Crystallography Save
Special Interest Group No. 5 of the European Crystallographic Association.
http://www.lcm3b.uhp-nancy.fr/ecasig5/   

Swiss Society for Crystallography Save
Membership and meetings information. Site in English, French and German.
http://www.sgk-sscr.ch/   

The Crystallographic Society of Japan (CrSJ) Save
Details about the society, including news and annual meetings.
http://www.crsj.jp/   

The Egyptian Society of Crystallography and Applications Save
ESCA follows scientific progress in crystallography and related activities.
http://www.geocities.com/egyptiansca/   

The Pittsburgh Diffraction Society Save
News and information on conferences.
http://www.pittdifsoc.org   

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