Earl C. Slipher
[de] Earl C. Slipher
[es] Earl C. Slipher
[fi] Earl Charles Slipher
[fr] Earl C. Slipher
[it] Earl C. Slipher
[ro] Earl C. Slipher
[sr] Ерл Слајфер
[sv] Earl C. Slipher
[zh] 厄爾·查爾斯·斯萊弗