Head and neck

National Cancer Institute
Links to resource pages, including clinical practice guidelines, research, and publications for a spectrum of head and neck cancers.
https://www.cancer.gov/types/head-and-neck/hp

American Cancer Society  
Survivorship guideline for primary care providers.
http://www.cancer.org/healthy/informationforhealthcareprofessionals/acsguidelines/headandneckcancersurvivorshipcareguideline/ 

American Society of Clinical Oncology
Guideline focusing on head and neck survivorship. 
https://www.asco.org/practice-guidelines/quality-guidelines/guidelines/head-and-neck-cancer

National Comprehensive Cancer Network
Disease specific guidelines are provided. Access is free, but registration is required.
http://www.nccn.org/professionals/physician_gls/f_guidelines.asp