• Bancroft, N. A review of the literature concerning the evolution of Monocotyledons. New Phytologist, 16, p. 9. 1914- Reprint No. 9. 1914.
  • Bews, J. W. Plant Forms and their Evolution in South Africa. 1925.
  • Goebel, K. V. Erdwurzeln mit Velamen. Flora. 115; I. 1922.
  • Henslow, G. A theoretical origin of Endogens from Exogens through self-adaptation to an aquatic habit. Journ. Linn. Soc. Bot.) 29. 1893.
  • Henslow, G. The origin of Monocotyledons from Dicotyledons through self-adaptation to moist or aquatic habit. Ann. Bot. 25. 1911.
  • Lindinger, L. Bemerkung zur Phylogeny der Monokotylen. Naturwissen. Wochenschr. (N.F.), 9, No. 5. 1910.
  • Sargent, E. The evolution of the seed-leaf in Monocotyledons. New Phytologist, 1, p. 107. 1902.
  • Sargent, E. The evolution of Monocotyledons. Bot. Gaz. 37, p. 325. 1904.
  • Sargent, E. and Arber, A. The comparative morphology of the embryo and seedling in the Gramineae. Ann. Bot. 29, 114. 1915.
  • Small, J. The Origin and Development of the Compositae. New Phytologist Reprint No.11 1920.
  • Wernham, H. F. Floral Evolution with particular reference to the Sympetalous Dicotyledons. New Phytologist Reprint No.5 1913.