1. The structure of some upland plant communities in Caernarvonshire. III. The continuum analysis;Anderson;J. Ecol.,1963
2. Some observations on the peat bogs of the wilderness of Pisz;Bellamy;Przegl. geogr,1962
3. An ordination of the upland forest communities of southern Wisconsin;Bray;Ecol. Monogr,1957
4. The Vegetation of Wisconsin: an Ordination of Plant Communities;Curtis,1959
5. An upland forest continuum in the prairie-forest border region of Wisconsin;Curtis;Ecology,1951