Original Tecumseh / Briggs manuals

Here are some manuals a guy gave me. He was a small engine mechanic, retired. Just curious if these are hard to come by.he also gave me a huge box of NOS parts 47DEC2E8-042C-43B5-A2A8-E8AB94776C2C.jpeg F7A6A53D-5CD9-45A3-A68C-ABCE438B3DBF.jpeg
There is people out there that want them..
18.00 bucks or more each..
Top photo Tecumseh book looks good.
NOS parts can go for good money. .
Price it out look it up.. Eb×× ......