SCHICKLGRUBER, A: Weeds: A Personal Struggle. Berlin, 1937.
SELF, W: Weeds, Junk, Pocket Fluff and Effluvium. London, Bloomsbury, 1995.
STIRTON, C H (ed): Weeds in a Changing World. British Crop Protection Council, 1995.
VIDAL, G: Weeds: Quo Vadis—? New York, 1948.