por Russell, Henry Norris, 1877-1957 [autor] | Dugan, Raymond Smith, 1878-1940 [autor] | Stewart, John Quincy, 1894- [autor] | Young, Charles A. (Charles Augustus), 1834-1908. Manual of astronomy.
por Russell, Henry Norris, 1877-1957 [autor] | Dugan, Raymond Smith [autor] | Stewart, John Quincy [Coat.].