Area Circulars Area Circulars: numbers 1-170 There are no circulars with the numbers 4, 13, 16, 18, 19, 25, 32, 36, 41, 42, 59, 60, 62, 64, 65, 66, 70, 71, 73, 77, 79, 83, 86, 89, 96, 100, 103, 122, 124, 137, 138, 140, 145, 146, 160, 166 and 168.. Entries for these circulars in the accompanying index are blank. 1981