Old Instructions - Your online source of Lego instructions, catalogues and ideas books from years pastOld Instructions | Your online source of Lego instructions, catalogues and ideas books from years past
Vintage LEGO Set 6080 King's Castle, 100% Complete w/ Box and Instructions | eBay
LEGO Rally Car and Motorbike Set 673 Instructions | Brick Owl - LEGO Marketplace
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history - What did Lego set instruction manuals look like in the past? - Bricks
It amazes me that manuals of old sets do not have a list of the parts needed instead of "spot the differences" and good luck. not even highlighting the new parts. :
LEGO 379-1 Bus Station Set Parts Inventory and Instructions - LEGO Reference Guide