Workingcocker.com
A site dedicated to the field bred cocker in the USA. Has dates and info for field trials, links to trainers, breeders etc.

Cockers in the Field
A long running site established to provide info and support for all interested in cocker spaniels participating in field events. Has dates and info for field trials, links to trainers, breeders etc.

Spaniel Journal
An online magazine that focuses on flushing spaniels in the field.

English Cocker Spaniel Club of America
The parent club website.