 One of the first Western studies of the subject was E. H. Hankin's "The Drawing of Geometric Patterns in Saracenic Art", published in "Memoirs of the Archaeological Society of India" in 1925.In this essay, Hankin takes the view that the artists who created these designs used a method based on the use of the compass and the straight edge.This view is supported by the majority of contemporary authorities on the subject, such as Keith Critchlow in his book, "Islamic Patterns