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