1
Baskı/Yayın Bilgisi: 1943
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 253
2
Baskı/Yayın Bilgisi: 1946
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 286
3
Baskı/Yayın Bilgisi: 1961
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 171
4
Baskı/Yayın Bilgisi: 1958
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 133
5
Baskı/Yayın Bilgisi: 1938
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 143
6
Baskı/Yayın Bilgisi: 1962
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 186
7
Baskı/Yayın Bilgisi: 1962
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 189
8
Baskı/Yayın Bilgisi: 1958
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 132
9
Baskı/Yayın Bilgisi: 1956
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 91
10
Baskı/Yayın Bilgisi: 1944
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 265
11
Baskı/Yayın Bilgisi: 1961
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 173
12
Baskı/Yayın Bilgisi: 1958
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 126
13
Baskı/Yayın Bilgisi: 1945
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 9
14
Baskı/Yayın Bilgisi: 1944
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 268
15
Baskı/Yayın Bilgisi: 1953
Superior document: Annals of the astronomical observatory of Harvard College 113,2
16
Baskı/Yayın Bilgisi: 1954
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 60/61
17
Baskı/Yayın Bilgisi: 1955
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 77/78
18
Baskı/Yayın Bilgisi: 1937
Superior document: Annals of the Astronomical Observatory of Harvard College 89,9
19
Baskı/Yayın Bilgisi: 1947
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 293
20
Baskı/Yayın Bilgisi: 1939
Superior document: Annals of the astronomical observatory of Harvard College 108,1