Area Circulars Area Circulars: numbers 299-503 There are no circulars with the numbers 303, 305, 306, 307, 308, 312, 317, 318, 322, 324, 327, 333, 334, 338, 339, 345, 346, 353, 354, 357, 358, 360, 363, 364, 366, 367, 369, 372, 378, 379, 380, 381, 388, 390, 391, 392, 393, 397, 400, 405, 408, 409, 410, 412, 414, 415, 418, 421, 423, 430, 441, 442, 444, 456, 458, 466, 467, 468, 469, 471, 472, 474, 476, 480, 481, 483, 484, 485, 493 and 502. Entries for these circulars in the accompanying index are blank. 1982