1. Forest vegetation of northern Idaho and adjacent Washington, and its bearing on concepts of vegetation classification;Daubenmire;Ecol. Monogr.,1952
2. Review of “Sur quatre hybrides de genres chez les Abietinees.” (On four intergenus hybrids in the Abietineae.);Duffield;Forestry,1950
3. Effect of elevation and climatic factors on production and dispersal of coniferous tree pollen;Ebell;Soc. Amer. Foresters Proc.,1960
4. Some aspects of chemotaxonomy;Erdtman,1963
5. Chemical principles in chemosystematics;Erdtman,1968