1
Published 1879
...Dunsink Observatory (Dublin)...
Book
2
Published 1881
...Dunsink Observatory (Dublin)...
Book
3
Published 1884
...Dunsink Observatory (Dublin)...
Book
4
Published 1887
...Dunsink Observatory (Dublin)...
Book
5
Published 1899
...Dunsink Observatory (Dublin)...
Book
6
Published 1900
...Dunsink Observatory (Dublin)...
Book