Petrographische utersuchungen uber die noritischen gesteine der umgegend von ivres in oberitalien ... /

by Van Horn, Frank R. (Frank Robertson), 1872-1933
Published 1897

Lecture notes on a brief course of systematic zoology ...

by Van Horn, Frank R. (Frank Robertson), 1872-1933
Published 1902

Lecture notes on general and special mineralogy /

by Van Horn, Frank R. (Frank Robertson), 1872-1933
Published 1903

Geology and mineral resources of the Cleveland district, Ohio /

by Cushing, Henry Platt, 1860-, Leverett, Frank, 1859-1943, Van Horn, Frank R. (Frank Robertson), 1872-1933
Published 1931