References

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  • Fox, W.J. 1913. Dates of publication. Pp. vii–xiv. In: Nolan, E.J. (ed.) An index to the scientific contents of the Journal and Proceedings of The Academy of Natural Sciences of Philadelphia, 1812–1912, published in commemoration of the centenary of the Academy, March 21, 1912. The Academy of Natural Sciences, Philadelphia, xiv + 1419 pp. BHL. [vol. 1–22, 1841–1871]