If you come across any books on filet lacis, please post a review here. Or if you have any of the books listed above, comments on their contents and usefulness would be helpful. Please post as a reply to this discussion. It doesn't matter how long it takes for information to accumulate. Every little bit of information added helps.
Filet Lace: Stitches and Patterns" By Margaret Morgan.
soft cover. published by Milner Craft Series.
An excellent book with clear instructions and diagrams, and it take you though in easy stages from elementary to more advanced. shows the various types of filet lace, too - Showing guipure, Richlieu, and Finish style as well as traditional. I worked a hardanger look-alike mat from it. I will send in a photo.
Filet Lace - Introduction to the Linen Stitch, by Marie-Jo Quinault.
Filet Lace by the Sea is where to get this book.
Clear diagrams on how to map out your pathway for working this lace, and lots of patterns too.