NFHS Official Football Case Book
Prep officiating shortage remains, approaching crisis point - Duluth News Tribune
NFHS announces football playing rule changes, Sports
High school sports trying to cope with shortage of officials - Encinitas Advocate
Cramer Official NFHS Scorebooks
High School Football RULES!, Podcasts on Audible
2023-25 NFHS High School Basketball Officials Manual This new Officials Manual combines the NFHS manual with a visual representation of mechanics.
NEW - 2023-25 NFHS High School Basketball Officials Manual
NFHS approves rules changes for some high school sports, Sports
Longer play clock, possible instant replay coming to N.C high school football
National Federation of State High School Associations
Guidelines on heat safety ahead of 2023 football season for MHSAA, MAIS
NFHS releases guidance for opening high school athletics and activities