Mitchell, S A. 1874 1960 books & textbook
Stellar parallaxes derived from photographs made with the forty-inch refractor
Observatory, Yerkes Slocum, F 1873-1944 Mitchell, S A. 1874-1960 Lee, Oliver Justin Joy, Alfred Harrison Van Biesbroeck, George Pettit, Hannah Bard Steele
Ulan Press /2012-08-31 Paperback / 86 Pages
Parallaxes of 260 Stars Derived from Photographs Made at the Leander McCormick Observatory
Hardpress Publishing /2013-01-28 Paperback / 724 Pages
isbn-10: 1313054836 / isbn-13: 9781313054836
