"Marcus, G. J." - 3 Text Results
| Title | Author | Domain | Publisher | Publication Year |
|---|---|---|---|---|
| Factors in early Celtic navigation | Marcus, G. J. | Article in Journal | 1952 | |
| Irish pioneers in ocean navigation of the middle ages | Marcus, G. J. | Article in Journal | 1951 | |
| The first discovery of Iceland | Marcus, G. J. | Article in Journal | 1955 |