Eric Walker added Collections: Clothing, How Did They Make it? Part IVb: Cloth Money – A Collection of Unmitigated Pedantry to a number of topics
Eric Walker added a number of links to Sheep's wool, and added Sheep's wool to Sheep and Wool
Eric Walker added a number of topics and Collections: Clothing, How Did They Make It? Part IVa: Dyed in the Wool – A Collection of Unmitigated Pedantry and Collections: Clothing, How Did They Make it? Part IVb: Cloth Money – A Collection of Unmitigated Pedantry to Textiles, and added Textiles to Industry and manufacturing
Eric Walker added Sheep's wool and Collections: Clothing, How Did They Make it? Part IVb: Cloth Money – A Collection of Unmitigated Pedantry to Wool, and added Wool to Textiles and Agriculture and farming
Eric Walker added a number of topics and a number of links to Agriculture and farming, and added Agriculture and farming to Industry and manufacturing and Science, engineering, mathematics and the humanities