BioStor
 | The Bases of Angiosperm Phylogeny: Cytology Peter H Raven (1975) Annals of the Missouri Botanical Garden 62: 724-764 |
 | The Bases of Angiosperm Phylogeny: Chemotaxonomy D E Fairbrothers, T J Mabry et al. (1975) Annals of the Missouri Botanical Garden 62: 765-800 |
 | Some Aspects of the Phytogeography of Tropical Africa J P M Brenan (1978) Annals of the Missouri Botanical Garden 65: 437-478 |
 | An Ordinal Classification for the Families of Flowering Plants (1998) Annals of the Missouri Botanical Garden 85: 531-553 |