40 Situations
Typical officiating situations and appropriate rulings according to National Federation of High Schools.

Association of Volleyball Referees in Slovakia
Regularly updated, in Slovak as well as in English, with refereeing matters, rules of the game, and pictures.

Basic Volleyball Rules
Contains 100 question on basic volleyball rules with answers.

Capitol Chapter of PIAA Volleyball Referees
Event calendar, program information and links to officiating articles from this Harrisburg, PA area organization.

Heartland Volleyball Officials Association
Meeting schedule and minutes, as well as membership information, high school officials in central Illinois.

National Federation of State High School Associations
Official high school rules listing and interpretation for volleyball. [PDF]

Professional Association of Volleyball Officials
Information from this professional association organization dedicated to training and certifying volleyball referees.

Todd's Volleyball Page
Information on volleyball rules and equipment. Features a photo gallery and court construction details.