Thomas Say — część 5

Journal of the Academy of Natural Sciences of Philadelphia 5:119-131.

Say, T. 1829. Descriptions of some new terrestrial and fluviatile shells of North America. The Disseminator of Useful Knowledge; containing hints to the youth of the U. States, from the School of Industry 2(15):229-230. 29 July 1829.

Say, T. 1829. Descriptions of some new terrestrial and fluviatile shells of North America. (cont.). The Disseminator of Useful Knowledge; containing hints to the youth of the U. States, from the School of Industry 2(16):244-246. 12 August 1829.

Say, T. 1829. Descriptions of some new terrestrial and fluviatile shells of North America. (cont.). The Disseminator of Useful Knowledge; containing hints to the youth of the U. States, from the School of Industry 2(17):259-261. 26 August 1829.

Say, T. 1829. Descriptions of some new terrestrial and fluviatile shells of North America. (cont.). The Disseminator of Useful Knowledge; containing hints to the youth of the U. States, from the School of Industry 2(18):275-277. 9 September 1829.

Say, T. 1829. Descriptions of some new terrestrial and fluviatile shells of North America. (cont.). The Disseminator of Useful Knowledge;