Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 56
| Issue Date | Title | Author(s) |
| 1912-12 | The determination of ancient dates from astronomical data | Royds, T; Sitaramaiya, S |
| 1915-03 | The different character of spectrum lines belonging to the same series | Royds, T |
| 1917-03 | The cause of the so-called pole-effect in the electric arc | Royds, T |
| 1910 | Das reflexionsvermogen schwarzer Flachen | Royds, T |
| 1912-12 | Distribution in latitude of the absorption markings in Hα spectroheliograms | Royds, T |
| 1911-06 | The absorption markings in Hα spectroheliograms | Royds, T |
| 1925-02 | The apparent tripling of certain lines in arc spectra | Royds, T |
| 1913-06 | On some spectrographic measures of the solar rotation, made at the Kodaikanal observatory | Evershed, John; Royds, T |
| 1937-02-11 | A progressive change in the inclination of hydrogen dark markings to the meridian of the Sun | Royds, T; Salaruddin, M |
| 1936-12-12 | Summary of prominence observations for the second half of the year 1935 | Royds, T |
| 1936-11-25 | Photometric study of the lines of hydrogen and of calcium in the fraunhofer spectrum at different points of the Sun's disc | Royds, T; Narayan, A. L |
| 1935-08-29 | Oxygen in the Sun's chromosphere | Royds, T |
| 1935-08-09 | Summary of prominence observations for the second half of the year 1934 | Royds, T |
| 1935-03-30 | Summary of prominence observations for the first half of the year 1934 | Royds, T |
| 1935-01-28 | Summary of prominence observations for the second half of the year 1933 | Royds, T |
| 1934-01-20 | Summary of prominence observations for the first half of the year 1933 | Royds, T |
| 1933-09-13 | Summary of prominence observations for the second half of the year 1932 | Royds, T |
| 1933-02-25 | Summary of prominence observations for the first half of the year 1932 | Royds, T |
| 1932-03-21 | Prominences and radiation pressure | Royds, T |
| 1932-01-27 | Summary of prominence observations for the first half of the year 1931 | Royds, T |
Collection's Items (Sorted by Submit Date in Descending order): 1 to 20 of 56
