21 plates, tables, charts. 197pp. IN: Journal of Medical Research, vol. 41, no. 177, pp. 1-197. 8vo, buckram, ex-lib. Boston, 1919. First Edition. Entire volume offered entire.
In his important aetiological and pathological studies of Rocky Mountain spotted fever Wolbach named the causal agent Dermacentroxenus rickettsi. GM 5391.