Information from this professional association organization dedicated to training and certifying volleyball referees.

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

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

Event calendar, program information and links to officiating articles from this Harrisburg, PA area organization.

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

Official high school rules listing and interpretation for volleyball.