Here's some Lego history for you. These are some instructions of my father's sets from when he was a child. Some pages are missing, but I thought I'd show what I have.
Ambulance : Original Box 6680-1 | BrickLink
LEGO 6680 Ambulance Set Parts Inventory and Instructions - LEGO Reference Guide
1980 Lego Ambulance Set #6680, 100% Complete, Original Box + Instructions | #778439435
LEGO Ambulance Set 6680 Packaging | Brick Owl - LEGO Marketplace
LEGO Vintage Classic Town 6356 6629 6680 6691 Instructions Manuals | eBay
LEGO 6680 Ambulance Set Parts Inventory and Instructions - LEGO Reference Guide
LEGO 460 Rescue Units Instructions, Rescue
Lego Set 6680 Ambulance | #1734397217
Lego 6680 Ambulance Town Near Complete w/instructionsのeBay公認海外通販｜セカイモン
LEGO Town: Ambulance (6680) for sale online | eBay
Old ambulance instructions. Does anybody need urgent treatment? : r/lego
LEGO Town 6680 Ambulance 🚑 from 1981 - YouTube
Lego 6680 Ambulance (1981) - LEGO - LastDodo
How to store LEGO Instructions (vintage) - YouTube
LEGO 6680 AMBULANCE Vintage Classic Town Rare 100% Instructions Minifigures 1981 $33.00 - PicClick
LEGO 6680 Ambulance Set Parts Inventory and Instructions - LEGO Reference Guide
LEGO 6680 Ambulance Set Parts Inventory and Instructions - LEGO Reference Guide
Lego Instructions: Ambulance (6680) | eBay
Lego 6680 Ambulance and 6691 Helicopter, Figures Manuals Legoland Vintage 1981 | eBay
LEGO 6680 Ambulance Instructions, Rescue
LEGO 6680 Ambulance Set Parts Inventory and Instructions - LEGO Reference Guide
