Many of the earliest books, particularly those dating back to the 1900s and before, are now extre...

Synonymy of the Species of Strepomatidae (melanians) of the United States is an unchanged, high-q...

Manual of Conchology, Structural and Systematic - Vol. 15 is an unchanged, high-quality reprint o...

Manual of Conchology, Structural and Systematic - Vol. 2 is an unchanged, high-quality reprint of...

A Monograph of the Terrestrial Mollusca Inhabiting the United States is an unchanged, high-qualit...

Manual of Conchology, Structural and Systematic - Vol. 5 is an unchanged, high-quality reprint of...

Manual of Conchology, Structural and Systematic - Vol. 9 is an unchanged, high-quality reprint of...

Manual of Conchology, Structural and Systematic - Vol. 1 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. 8 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. 6 is an unchanged, high-quality reprint of...