Images of Japanese flower arrangement from the woodblock-printed book Sashi-ire hana no futami (挿入花の二見) made in 1798 by the amazing Katsushika Hokusai.
Images generously made available by the British Museum. I have cropped and adjusted levels of the original scans. These are full-sized images, right-click to save.
Two beautiful books of modern Japanese flower arrangement by Kawase Toshiro: