On this page you can find various publications about AUTOVON:
BELL LAB RECORD Volume 46 number 4 April 1968 – AUTOVON
BELL LABS RECORD Volume 47 number 7 July-August 968 The Polygrid Network for AUTOVON
AUTOVON Sets and Dials WE Catalog 1971
GTE / Automatic Electric Technical Bulletin 950-330 – Overseas AUTOVON, 1965
Automatic Electric Technical Journal, July, 1966, Overseas AUTOVON, by Walter Axelsen
AUTOVON SITE CUTOVER Topaz Lake, Nevada April 3, 1970
autovon.pdf about AUTOVON including some history regarding the overseas portion of AUTOVON, appears to be a training document (Source: https://coldwar-c4i.net/)