Pittsburgh Virginia

Report On The Coal Mines Of The Monongahela River Region From The West Virginia State Line To Pittsburgh, Including The Mines On The Lower Youghiogheny River, Volume 40

The West Virginia Breeding Bird Atlas (Pitt Series In Nature And Natural History)

The Butterflies Of West Virginia And Their Caterpillars (Pitt Series In Nature And Natural History)

The Historical And Other Relations Of Pittsburgh And The Virginias

Amphibians And Reptiles In West Virginia

The Historical And Other Relations Of Pittsburgh And The Virginias