Report Of A Survey And Exploration Of The Coal And Ore Lands Belonging To The Allegheny Coal CompanyWalter R. JohnsonSold outTrack
Experimental Inquiries Respecting Heat And Vapor: With Some Practical ApplicationsWalter R. JohnsonSold outTrack
A Memoir Of The Late Lewis David Von Schweinitz: With A Sketch Of His Scientific LaboursWalter R. JohnsonSold outTrack
