Mollusca of the Ozarkian FaunaH. A. Pilsbry and James H. Ferriss · Proceedings of the Academy of Natural Sciences of Philadelphia · 1906

Mollusca of the Southwestern States. IIH. A. Pilsbry and J. H. Ferriss · Proceedings of the Academy of Natural Sciences of Philadelphia · 1906

Ashmunella, a New Genus of HelicesH. A. Pilsbry and T. D. A. Cockerell · Proceedings of the Academy of Natural Sciences of Philadelphia · 1899

Melaniidæ of the Panuco River System, MexicoH. A. Pilsbry and A. A. Hinkley · Proceedings of the Academy of Natural Sciences of Philadelphia · 1909

AN IMPORTANT COLLECTION OF MOLLUSCAPilsbry, H. A. · Science · 1892

AN UNUSUAL CRETACEOUS CIRRIPEDPilsbry, H. A. · Science · 1933

On a New BulimulusH. A. Pilsbry · Proceedings of the Academy of Natural Sciences of Philadelphia · 1890

The American Camaenidae (Mollusca: Pulmonata)Charles B. Wurtz · Proceedings of the Academy of Natural Sciences of Philadelphia · 1955

On the CondylarthraProfessor Cope · Proceedings of the Academy of Natural Sciences of Philadelphia · 1882

On Uintatherium, Bathmodon and TriisodonE. D. Cope · Proceedings of the Academy of Natural Sciences of Philadelphia · 1882

On Supposed Tertiary AmmonitesJ. S. Newberry · Proceedings of the Academy of Natural Sciences of Philadelphia · 1882

Additions to the Library, 1887Proceedings of the Academy of Natural Sciences of Philadelphia · 1887

Notes on Peruvian TrochilidaeJames Bond · Proceedings of the Academy of Natural Sciences of Philadelphia · 1954

Notes on American MabuyasEmmett Reid Dunn · Proceedings of the Academy of Natural Sciences of Philadelphia · 1935

Fossil Vertebrates from FloridaDr. Leidy · Proceedings of the Academy of Natural Sciences of Philadelphia · 1889