Achievements of astronomical photography. Outlook 79, 787-96 (April 1, 1905)
Alexander Graham Bell. Cosmopolitan 33, 42-44 (May 1902)
Alpha Centauri. Harper's Weekly 38, 413 (May 5, 1894)
Among the stars with an opera-glass. Sidereal Messenger 10, 244-47 (May 1891)
Another theory about Mars. Harper's Weekly 41, 518-19 (May 22, 1897)
Arcturus, the greatest of all suns. Scientific American 70, 327 (May 26, 1894)
Are there planets among the stars? Popular Science Monthly 52, 171-77 (December 1897)
Artificial creation of life. Cosmopolitan 39, 459-68 (September 1905)
Astronomy with an opera-glass: (This series was enlarged and published in book form; see the following section.)
Stars of spring. Popular Science Monthly 30, 743-56 (April 1887)
Stars of summer. ibid. 31, 187-207 (June 1887)
Moon and the sun. ibid. 31, 478-92 (August 1887)
Stars of autumn. ibid. 32, 53-71 (November 1887)
Stars of winter. ibid. 32, 511-29 (February 1888)