Signal Corps : Telegraph, cable and radio service - USA Voorschrift, Army Regulations, No. 105-25 Radio receiving set AN/FRR-12 - USA Voorschrift, Technical Manual, 11-896 Supplement to TM 11-617, Radio Set AN/TRC-7 - USA Voorschrift Technical Manual 11-617 Radio Communication. - USA Voorschrift Field Manual 24-18 Service of Radio Set SCR-584. - USA Voorschrift Field Manual 44-44 Radio Set SCR-506-A - USA Voorschrift, Technical Manual, 11-630 Radio Transmitter: T-195/GRC-19, T-195A/GRC-19, and T-195B/GRC-19. - USA Voorschrift, Technical Manual, 11-806 - USA Voorschrift, Technical Order, 31R2-2GRC19-11 radio amateur's handbook / by the Headquarters staff of the American Radio Relay League Radio set SCR-694-C - USA Voorschrift, Technical Manual, 11-230C Radio set SCR-300-A - USA Voorschrift, Technical Manual, 11-242 Radio set SCR-502 - USA Voorschrift, Technical Manual, 11-256 Radio sets SCR-193-A, SCR-193-B, SCR-193-C, SCR-193-D and SCR-193-E - USA Voorschrift, Technical Manual, 11-273
