There will be some sort of manual but may be hard to find. i had a 58 Crown built school bus to work on, It had a bus driver opperaters boolet which covered basic features built by Crown not fFord. The Ford manual would have have only been spacific th=o the shop or mechanoc.

So YES, I would imagine Bluebird had their own too. Covering such features as brakes, lights, fans, door controls and al sorts of safety checks for the driver.

Do you have pix? I remember riding a new Bluebird when a kid and it had tinted windows and A/C and radio. Pretty modern for the time.