Ulmann, Bernd, AN/FSQ-7:the computer that shaped the Cold War, 2014, Walter de Gruyter GmbH & Co KG, ISBN 978-3-486-72766-1, 272 pages, Table 4-1. Note: There are a few errors in this table that all seem to revolve around the 1966 ADC reorganization in which Air Defense Sectors were replaced with numbered Air Divisions.