Manual of Conchology, Structural and Systematic - Vol. 15 is an unchanged, high-quality reprint o...
A Monograph of the Terrestrial Mollusca Inhabiting the United States is an unchanged, high-qualit...
Manual of Conchology, Structural and Systematic - Vol. 16 is an unchanged, high-quality reprint o...
Manual of Conchology, Structural and Systematic - Vol. 13 is an unchanged, high-quality reprint o...
Manual of Conchology, Structural and Systematic - Vol. 17 is an unchanged, high-quality reprint o...
Synonymy of the Species of Strepomatidae (melanians) of the United States is an unchanged, high-q...
Manual of Conchology, Structural and Systematic - Vol. 1 is an unchanged, high-quality reprint of...
Manual of Conchology, Structural and Systematic - Vol. 2 is an unchanged, high-quality reprint of...
Manual of Conchology, Structural and Systematic - Vol. 3 is an unchanged, high-quality reprint of...
Manual of Conchology, Structural and Systematic - Vol. 4 is an unchanged, high-quality reprint of...
Manual of Conchology, Structural and Systematic - Vol. 5 is an unchanged, high-quality reprint of...
Manual of Conchology, Structural and Systematic - Vol. 6 is an unchanged, high-quality reprint of...