Dillmont, Th. de, ed. Bibliothek DMC Filet-Guipure. Mulhouse, France: Dollfus-Mieg & Cie, [c.1923], 32 pgs, in German. Scans donated by Digital Archive, reedited Judith Combs sep2006. Brief instructions for embroidery on netting - the illustrations are clear enough that you don’t need to read German - with beautiful plates illustrating patterns for lace squares and borders.