Guthnick, Paul. 1879- **E 5121.17.14 Uber den Lichtwechsel des Japetus.
— Berlin. Diimmler, 1910. (1), 65, (1) pp. Diagrams. [Beo- bachtungs-Ergebnisse der K6niglichen Sternwarte zu Berlin. No, 14. Ergebnisse aus photometrischen Messungen der Saturn- trabanten. 1.] 3014 cm., in 4s.
[This work is kept on the Special Libraries Floor.]
This card was printed at the Boston Public Library, March 8, 1911. 4073 — lapetus. The satellite. — S.r.c.