search materials(including e-books and e-journals) held by Hokkaido university.
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Search keyword：(Subject: Astronomy Observers' manuals)
Celestial objects for common telescopes / by T. W. Webb
v. 1,v. 2. - New impression. - New York : Longmans , 1911
Looking through a telescope / by Linda Bullock ; consultants, David Larwa, Nanci R. Vargus
: pbk.. - New York : Children's Press , c2003
(Rookie Read-About Science)