Collection's Items (Sorted by Submit Date in Descending order): 21 to 40 of 43
| Issue Date | Title | Author(s) |
| 1954-11 | Summary of prominence observations for the second half of 1953 | Das, A. K |
| 1954-05 | Summary of prominence observations for the first half of 1953 | Das, A. K |
| 1954-02 | Summary of prominence observations for the second half of 1952 | Das, A. K |
| 1953-11 | Summary of prominence observations for the first half of 1952 | Das, A. K |
| 1953-08 | Summary of prominence observations for the first half of 1950 | Das, A. K |
| 1952-12 | Summary of prominence observations for the first half of 1951 | Das, A. K |
| 1951-11 | Summary of prominence observations for the second half of 1950 | Das, A. K |
| 1951-09-04 | Summary of prominence observations for the first half of 1950 | Das, A. K |
| 1951-01 | Summary of prominence observations for the second half of the year 1949 | Das, A. K |
| 1950-04 | Summary of prominence observations for the first half of the year 1949 | Das, A. K |
| 1950-01 | Summary of prominence observations for the year 1948 | Das, A. K |
| 1950-01 | Summary of prominence observations for the year 1947 | Das, A. K |
| 1949-08 | Relation between the base and the height of prominences | Das, A. K; Sethumadhavan, K |
| 1949-12 | Some observations on the H and K lines in the solar spectrum | Das, A. K; Rajeswara Rao, N |
| 1949-08 | Summary of prominence observations for the year 1946 | Das, A. K |
| 1949-08 | Summary of prominence observations for the year 1945 | Das, A. K |
| 1949-08 | Summary of prominence observations for the year 1944 | Das, A. K |
| 1949-08 | Summary of prominence observations for the year 1943 | Das, A. K |
| 1949-08 | Summary of prominence observations for the year 1942 | Das, A. K |
| 1949 | Summary of prominence observations for the year 1941 | Das, A. K |
Collection's Items (Sorted by Submit Date in Descending order): 21 to 40 of 43
