1. Fleece structure in some native and unimproved breeds of sheep;Ryder;Zeitschrift für Tierzüchtung und Züchtungsbiologie,1968
2. Changes in the fleece of sheep following domestication (with a note on on the coat of cattle);Ryder,1969
3. Wools from antiquity;Ryder;Textile History,1974
4. The primitive breeds of domestic sheep of Europe;Ryder,1981
5. Wool Growth;Ryder,1968