| Covers listed | |
| 1963: | #6 / November, |
| 1966: | #15 /Summer, #16 /Fall, |
| 1967: | #17 /Winter/Spring, #18 /Summer, #19 /Fall/Winter, |
| 1968: | #20 /Spring, #21 /Summer, #22 /Fall, |
| 1969: | #23 /Spring, #24 /Summer, #25 /Fall, |
| 1970: | #26 , #27 /Spring, #28 /Fall, #29 /Winter, #30 , |
| 1971: | #31 /Summer, #32 , |
| 1972: | #33 , #34 , #37 , |
| 1973: | #38 /Spring, #39 , #40 , #41 /Winter, |
| 1974: | #42 /Spring, #43 /Summer, #46 , |
| 1975: | #47 /Summer, #48 /Fall, #49 , |
| 1976: | #50 /Spring, #51 / , #52 / , #53 /Winter, |
| 1977: | #54 / , #55 /Summer, #56 /Fall, #57 /Winter, |
| 1978: | #58 /Spring, #59 , #61 , |
| 1979: | #63 , #65 , #66 /November, |
