DOORS
http://retrorenovation.com/2014/03/10/9-mid-century-exterior-doors-styles-simpson-doors/
http://retrorenovation.com/2014/10/29/3-affordable-midcentury-modern-entry-doors-home-depot/
6 places to buy midcentury modern style front doors.
http://retrorenovation.com/2014/10/29/midcentury-front-doors-made-usa/
Door noise
quieting a Cylindrical Lock
https://silentpacsolutions.com/#/
Is the latch well lubricated? They can get dirty/sticky over time. That makes the closing noise louder. A little cleaning and a spritz of silicone lubricant might reduce noise to a more acceptable level.
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A magnetic locking system, for example, can engage without an audible click when properly installed. Of course then you need power supply and control circuit to handle locking/unlocking it, and there may be life-safety requirements for exactly how that's installed and operated.
https://www.youtube.com/watch?v=uYdwZYbjowA&ab_channel=HowToWithGEO