Vi knipler av Sally Johanson, 1968
https://archive.org/search.php?query=Bobbin%20lace&and[]=mediatype%3A%22texts%22
https://onlinebooks.library.upenn.edu/webbin/book//browse?type=lcsubc&key=Lace%20and%20lace%20making%20%2D%2D%20Patterns