Pilsbry, Henry Augustus Sea Shells Of The Jersey Shore

Pilsbry, Henry Augustus Manual of Conchology, Structural and Systematic: With Illustrations of the Species; Volume 15

A. Pilsbry, Henry The Nautilus. Vol. XXXI, No. 2, October 1917 ; A Quarterly Journal Devoted to the Interests of Conchologists

Pilsbry, Henry Augustus Manual of Conchology, Structural and Systematic: With Illustrations of the Species; Volume 15

Pilsbry, Henry Augustus Manual Of Conchology

Pilsbry, Henry Augustus The Barnacles (Cirripedia): Contained in the Collections of the U. S. National Museum