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