A Brief History of Knot Tying - Owlcation

What Are Knots? The History and Uses

The Man Who Invented Fifteen Hundred Necktie Knots

12 Knots You Can't Live Without - American Outdoor Guide

Keeping the Art of Knot Tying Alive - Atlas Obscura

How to tie a sword knot – @victoriansword on Tumblr

What Are Knots? The History and Uses

A hiker's library: Knots – Three Points of the Compass

The History of Knots and Surgical Suturing

John J. Loud and László Bíró: A History of the Ballpoint Pen

Knot Rite!

What Is the Science of Knots? - Owlcation

A Brief History of Dentistry - Owlcation

In Praise of the Humble Knot - The New York Times

What is the history of tying knots? - Quora