Books
The following references are great for beginners.
Deborah Chandler's Learning to Weave
Sigrid Piroch's The Magic of Handweaving
Betty Linn Davenport's Hands On Rigid Heddle Weaving
Peggy Osterkamp - any of the Osterkamp publications are excellent
Anne Field's Learn to Weave Learn to Weave
These weaving books and more are available from public library systems or the Seattle Weavers' Guild library (available to members only). The SWG Library is indexed on Library Thing.
Online
The following resources are great for beginners.
Yarn Worker - https://yarnworker.com/
Jane Stafford Online Weaving Guild - https://janestaffordtextiles.com/school-of-weaving/
School of Sweet Georgia - https://www.schoolofsweetgeorgia.com/
Handweavers Guild of America - https://weavespindye.org/
The following resources are great for Weavers looking to expand their skills.
Complex Weavers - https://www.complex-weavers.org/
Janet Dawson - https://weavingwithjanetdawson.com/
Tien Chiu - https://www.tienchiu.com/