These are two papers which I am frequently asked for copies of about threads used to make lace in the 16th and 17th centuries, please fell free to download and share them but I ask you to kindly reference this material should you wish to use it. Thank you!
"A Fault in the Thread? Examining Fibers Taken from Laces of the Sixteenth and Seventeenth Centuries"
Angharad Rixon, Published in: Strengthening the Bond: Science & Textiles, NATCC, Philadelphia Museum of Art, 2002
"A Brief Look at Thread"
Angharad Rixon, Published in: Gros Point de Venise: The Most Important Lace of the 17th Century, Textile Museum, St Gallen, 2011