All Authors
- Stokes, Katherine - 6 books
- Boyd, A. S. (Alexander Stuart) 1854-1930 6 books
- Burns - 6 books
- Heath, Howard 1879- 6 books
- Graef, Robert A. 1879-1951 6 books
- Härkönen, Iivo 1882-1941 6 books
- Abbott, Henry 1850-1943 6 books
- Beard, Daniel Carter 1850-1941 6 books
- Walsh, George Ethelbert 1865-1941 6 books
- Coffin, Charles Carleton 1823-1896 6 books
- Spears, John Randolph 1850-1936 6 books
- Moraitides, Alexandros 1850-1929 6 books
- Thanet, Octave 1850-1934 6 books
- Kelson, Keith R. - 6 books
- Galton, Francis 1822-1911 6 books
- Mitchell, Donald Grant 1822-1908 6 books
- Linton, E. Lynn (Elizabeth Lynn) 1822-1898 6 books
- Albertazzi, Adolfo 1865-1924 6 books
- Northend, Mary Harrod 1850-1926 6 books
- Cobbe, Frances Power 1822-1904 6 books
- Clay, Bertha M. 1865-1922 6 books
- Aimwell, Walter 1822-1859 6 books
- Diaz, Abby Morton 1821-1904 6 books
- Burt, Mary E. (Mary Elizabeth) 1850-1918 6 books
- United States. National Aeronautics and Space Administration - 6 books
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