Two Experiments With the XRays Classic Reprint, ,

Two Years With the Natives in the Western Pacific (Classic Reprint)

Two Tactics of Social-Democracy in the Democratic Revolution (Classic Reprint)

The Chinch Bug: Experiments With Insecticides (Classic Reprint)

Experiments With the Displacement Interferometer (Classic Reprint)

The Two Yellow-Birds: Embellished With Cuts (Classic Reprint)

A History of Sarawak: Under Its Two White Rajahs, 1839-1908 (Classic Reprint)

Reminiscences of Two Years With the Colored Troops (Classic Reprint)