The American Ephemeris 1901 to 1930.
Hard Cover, Pelham, New York: Astro Computing Services, 1977. First Edition; First Printing. Good with no dust jacket.
Hard Cover, Pelham, New York: Astro Computing Services, 1977. First Edition; First Printing. Good with no dust jacket.
Hard Cover, New York, New York: Philosophical Library, 1948. Good with no dust jacket.