A. Takhtajan (in Russian, 1966). A system and phylogeny of the flowering plants.
A. Takhtajan (1969, transl. from Russian by C. Jeffrey). Flowering plants: origin and dispersal.
A. Takhtajan (1980). "Outline of the classification of flowering plants (Magnoliophya)". Botanical Review46: 225-359.
External links:
Takhtajan system at CSDL, Texas. Also at the Norton Brown Herbarium, Maryland (with an extensive listing of synonyms, both nomenclatural and taxonomic, for each name in the system): 1, 2, 3