Most of the items listed below are in the public domain and you are free use and copy them; however, some are not in the public domain and may still be under copyright. That is one reason I have given dates. If the item appears on a website that is not devoted to reproducing public domain material, please check with the webmaster or owner of the site before you copy and distribute the contents found on the website.
This list does not claim to contain all the netting patterns found online. If you know of more, please let me know.
A Winter Gift for Ladies by an American Lady (1848)
The Art of Making and Mending Fishing Nets by Simon Frederick Every, Esq. (1845)
Filet-Guipure by Th. De Dillmont – part 1
part one of a digital copy with pictures of lacis or net embroidery
Filet-Guipure by Th. De Dillmont – part 2
part two of a digital copy with pictures of lacis or net embroidery
The Hand-book of needlework by Miss Lambert (1842)
Knotty Headwear: How to Net a Medieval Caul or Snood by Giraude Benet (2004)
The Illustrated Girl’s Own Treasury by the editors of the “Illustrated Boy’s Own Treasury.” (1861)
The Illuminated Ladies’ Book of Useful and Ornamental Needlework by Mrs. Henry Owen (1844)
Knitting, crochet, and netting by Eleonore Riego de la Branchardiere (1846)
The Ladies Knitting and Netting Book by Miss Watts (1840)
The Ladies’ Work-Table Book (1844)
Mee’s Companion to the Work-Table by Cornelia Mee (1844)
Netting: Dryad Leaflet No. 92 by Primrose Cumming (1956)
Parlour Recreations for Ladies (1848)
The Practical Companion to the Work Table by Elizabeth Jackson (1845)
The Work-table magazine by Mrs. Mee and Miss Austin (1847)
Young Ladies Journal Complete Guide to the Work-Table (2nd edition) by E. Harrison (1885)