1
Argitaratua: 1956
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 100
2
Argitaratua: 1955
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 68
3
Argitaratua: 1956
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 87
4
Argitaratua: 1946
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 284
5
Argitaratua: 1939
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 175
6
Argitaratua: 1945
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 275
7
Argitaratua: 1939
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 180
8
Argitaratua: 1944
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 260
9
Argitaratua: 1936
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 122
10
Argitaratua: 1952
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 42
11
Argitaratua: 1957
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 110
12
Argitaratua: 1952
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 45
13
Argitaratua: 1954
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 66
14
Argitaratua: 1947
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 296
15
Argitaratua: 1938
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 144
16
Argitaratua: 1945
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 273
17
Argitaratua: 1945
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series I 274
18
Argitaratua: 1956
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 99
19
Argitaratua: [2013]
Superior document: Title is part of eBook package: De Gruyter HUP e-dition: Complete eBook Package
Links: Testu osoa; Testu osoa; Cover
20
Argitaratua: 1956
Superior document: Reprints / The Astronomical Observatory of Harvard College : Series II 86