Nassau, J. J.
Astronomical symposium : held at Western Reserve Academy, Hudson, Ohio, May 7-8, 1938 - Ohio : Western Reserve Academy ; 1938.
Astronomy
52(069) W.R. A.
Astronomical symposium : held at Western Reserve Academy, Hudson, Ohio, May 7-8, 1938 - Ohio : Western Reserve Academy ; 1938.
Astronomy
52(069) W.R. A.