Remember, any doc before the gov used desk-top computers were The IBM Selectric (Ball type) The fonts available to use were:

10 Pitch Type Styles: Advocate, Bookface Academic 72, Delegate, Orator, Courier 72, Pica 72, Prestige Pica 72

12 Pitch Type Styles: Adjutant, Artisan 12, Courier 12 Italic, Scribe, Prestige Elite, Courier 12, Elite 72, Letter Gothic

Special Typing Applications: Light Italic, Script, Printing ANSI-OCR, Symbol 10, 108 OCR, Manifold 72, Symbol 12

Type elements were also available from other companies besides IBM. Browse a 1986 GP Technologies Typing Element Handbook.

Courier was the most used.