Mensa 7 8

1927 • 39 Readers • 81 pages • 4

1934 • 15 Readers • 144 pages • 3.4

1971 • 6 Readers • 224 pages • 3.5

1819 • 34 Readers • 489 pages • 3.5

1980 • 2 Readers

1485 • 5 Readers • 1,629 pages • 4

1972 • 10 Readers • 212 pages • 3