Investigations on leafhopper vectors, diagnosis, and etiology of western X-disease (buckskin) of cherry trees in CaliforniaAlexander H. Purcell, Sherman Vance Thomson, George Nyland, Joseph N. Kloepper · First published 1982Open the Tome
Studies on some unusual Heterobasidiomycetes from Washington StateGeorge Donald Nyland · First published 1948Open the Tome
