Pratt & Whitney J57-P-4, P-4A, P-7, P-8, P-8A, P-8B, P-12, P-13, P-13A, p-21, P-21A, P-23, P-23A, P-39, P-53, P-53A, , F-7, F-13, F-13A, F-21A, F-23A, and F-39 Aircraft Engine Maintenance Manual -1959