1
2
出版事項: 1955
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 68
3
4
出版事項: 1946
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 284
5
出版事項: 1939
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 175
6
出版事項: 1945
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 275
7
出版事項: 1939
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 180
8
出版事項: 1944
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 260
9
出版事項: 1936
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 122
10
出版事項: 1952
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 42
11
出版事項: 1957
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 110
12
出版事項: 1952
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 45
13
出版事項: 1954
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 66
14
15
出版事項: 1938
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 144
16
17
18
出版事項: 1956
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 99
19
出版事項: 1956
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 86