- AAAAI – American Academy of Allergy, Asthma and Immunology
- AAIQ (CAN)
- Air Allergy (BE)
- Abbvie
- Allergenen Consultancy (NL)
- The Allergy and Asthma Network / Mothers of Asthmatics Web Site
- Allergy & Asthma NetworkMothers of Asthmatics (AANMA)
- American Academy of Allergy, Asthma & Immunology Online
- Astma en Allergiekoepel (BE)
- Astma Fonds (NL)
- Deutscher Allergie- und Asthmabund e.V. (DE)
- Food Allergy & Anaphylaxis Network
- How Allergies Work
- Journals
- National Institute of Allergy and Infectious Diseases Home Page (NIAID)
- Sinuses.com
- Surrey Allergy Clinic