Flora of Peru.
- Chicago, ill., Field Museum of Natural History, 1936-1962
- 19 vols.
- (Field Museum of Natural Histroy. Botanical series , vol. 13, pt. 1 -pt. 6, no. 1) .
Pt.4, no. 2, by Rogers McVaugh. Pt. 5A, no. 1, by Mildred E. MAthias and lincoln Constance.