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Filtering by: People Campbell, William Wallace, 1862-1938 Remove constraint People: Campbell, William Wallace, 1862-1938 People Sanford, Roscoe F. (Roscoe Frank), 1883-1958 Remove constraint People: Sanford, Roscoe F. (Roscoe Frank), 1883-1958 Place Lick Observatory Remove constraint Place: Lick Observatory

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