* Svoboda, K.P., Hay, R.K.M. & Waterman, P.G., 1990. The growth and volatile oil yield of summer savory (Satureja hortensis) in a cool wet environment. Journal of Horticultural Science 65(6): 659-665.
== Sources of illustrations ==
Mansfeld, R., 1986. Verzeichnis landwirtschaftlicher und gärtnerischer Kulturpflanzen (ohne Zierpflanzen) [Register of agricultural and horticultural plants in cultivation (without ornamentals)]. Schultze-Motel, J. et al., editors 2nd edition. Vol. 3. Springer Verlag, Berlin, Germany. Fig. 163, p. 1164. Redrawn and adapted by P. Verheij-Hayes.