%0 Magazine Article %D 1899 %T A Summary of Planetary Work at the Lowell Observatory and the Conditions Under Which It Has Been Performed %A Douglass, A.E. %K Douglass %K lowell observatory %K popular astronomy %K summary %B Popular Astronomy %0 Magazine Article %D 1885 %T The Lowell Observatory and Its Work %A Douglass, A.E. %K astronomy %K Douglass %K lowell observatory %B Popular Astronomy