Scottdale, PA: Monthly. 1963–
Teacher’s Edition, 1963–1972.
Student Edition, 1973–present.
| Date |
Vol |
No |
| 1961 |
11 |
11, 12 |
| 1962 |
12 |
1-5, 7, 8, 10 |
| 1963 |
13 |
2, 4-9, 11, 12 |
| 1964 |
14 |
1-4, 6-8, 10-12 |
| 1965 |
15 |
1, 3-9, 11, 12 |
| 1966 |
16 |
1, 2, 4-6, 8-12 |
| 1967 |
17 |
Complete |
| 1968 |
18 |
1-5 |
| 1969 |
19 |
1-9, 12 |
| 1970 |
20 |
1-7, 9-12 |
| 1971 |
21 |
1, 2, 4, 5, 7 |
| 1972 |
22 |
1, 3, 4, 6, 7, 9 |
| 1973 |
6 |
1 General Edition, 8-12 |
| 1974 |
24 |
3-5, 7-12 |
| 1975 |
25 |
5-12 |
| 1976 |
26 |
Complete |
| 1977 |
27 |
Complete |
| 1978 |
28 |
Complete |
| 1979 |
29 |
Complete |
| 1980 |
30 |
Complete |
| 1981 |
31 |
Complete |
| 1982 |
32 |
Complete |
| 1983 |
33 |
Complete |
| 1984 |
34 |
Complete |
| 1985 |
35 |
Complete |
| 1986 |
36 |
1-7, 9-12 |
| 1987 |
37 |
Complete |
| 1988 |
38 |
Complete |
| 1989 |
21 |
5-12 student ed. |
| 1990 |
40 |
1-5 |
| |
|
|
| 1993 |
43 |
9 |
| 1994 |
44 |
3-5 |
Extras.
