Image Texture option in the Texture Node Editor in Blender 2.9 - Materials and Textures - Blender Artists Community
Texture Node — Blender Manual
How to Use the WAVE TEXTURE Node - Blender Texture Node Tutorial - YouTube
Displacement — Blender Manual
PBR node tree - Blender Development - Developer Forum
Wave Texture Node — Blender Manual
Introduction — Blender Manual
I made a node that can "proceduralize" textures - done and ready to download : r/blender
Import & Export of Node Shaders — Blender Manual
GSOC: Texture Node Editor :Discussion and Suggestion - Summer of Code - Developer Forum
Noise Texture Node — Blender Manual
Musgrave Texture Node — Blender Manual
New Feature in development: texture nodes - BlenderNation
2D Preview Procedural Textures Inside Nodes - Blender Development Discussion - Blender Artists Community
Node-based texturing system design proposal (won't work, this an idea for a GPU based 2D texture authuring node editor) - Blender Development - Developer Forum