| Periodical Volume Date: 1918 | Periodical Volume Number: 28 | (1/68) |
| Periodical Volume Date: 1919 | Periodical Volume Number: 29 | (1/40) |
| Periodical Volume Date: 1920 | Periodical Volume Number: 30 | (1/40) |
| Periodical Volume Date: 1921 | Periodical Volume Number: 31 | (1/32) |
| Periodical Volume Date: 1922 | Periodical Volume Number: 32 | (1/34) |
| Periodical Volume Date: 1923 | Periodical Volume Number: 33 | (1/38) |
| Periodical Volume Date: 1924 | Periodical Volume Number: 34 | (1/36) |
| Periodical Volume Date: 1925 | Periodical Volume Number: 35 | (1/34) |
| Periodical Volume Date: 1926 | Periodical Volume Number: 36 | (1/38) |
| Periodical Volume Date: 1927 | Periodical Volume Number: 37 | (1/38) |
| Periodical Volume Date: 1928 | Periodical Volume Number: 38 | (1/44) |
| Periodical Volume Date: 1929 | Periodical Volume Number: 39 | (1/34) |
| Periodical Volume Date: 1930 | Periodical Volume Number: 40 | (1/36) |
| Periodical Volume Date: 1931 | Periodical Volume Number: 41 | (1/36) |
| Periodical Volume Date: 1932 | Periodical Volume Number: 42 | (1/32) |
| Periodical Volume Date: 1933 | Periodical Volume Number: 43 | (1/34) |
| Periodical Volume Date: 1934 | Periodical Volume Number: 44 | (1/36) |
| Periodical Volume Date: 1935 | Periodical Volume Number: 45 | (1/38) |
| Periodical Volume Date: 1936 | Periodical Volume Number: 46 | (1/34) |
| Periodical Volume Date: 1937 | Periodical Volume Number: 47 | (1/48) |
| Periodical Volume Date: 1940 | Periodical Volume Number: 50 | (1/38) |
