How to Make Mind Maps: Visualize Your Ideas for Better Brainstorming
How to Build a Second Brain using Index Cards
The Notecard System: Capture, Organize, and Use Everything You Read, Watch, and Listen To - Billy Oppenheimer
The Magic of Index Cards - Control-Alt-Backspace
7 note-taking strategies to improve your study skills
Zettelkasten — How One German Scholar Was So Freakishly Productive, by David B. Clear
3 steps to build your personal knowledge management system
How to Study with Flashcards and Index Cards
Bullet Journals for RPGs
Sketchnotes: A Guide to Visual Note-Taking
A Comprehensive Approach to Personal Note-taking, by Cameron Flint
Empty Notebook Ideas: 20 Cute Things to Do with a Notebook