Bigelow- On Atmospheric Waves from Wast to East along the Great Lakes, pg 185
Engelmann, G. - Meteorological Tables for 1860 and 1861, pg 68
Engelmann, G.- Difference of Temperature and Relative Humidity in City and Country, pg 70
Engelmann, G.-…
Riley- Hackberry Butterflies, Descriptions of the Early Stages of Apatura Lycaon, Fabr., and Apatura Herse, Fabr. ; with Remarks on their Synonymy, pg 193
Riley- On the Oviposition of the Yucca Moth, pg 208