Reagan signed book with other autos.
 

Not really baseball related but looking for info on the other autographs, I think the other ones are part of his cabinet.

https://i.postimg.cc/5QB1PdsX/273703...15523309-n.jpg

https://i.postimg.cc/hJYSv0Jt/273819...42012837-n.jpg

https://i.postimg.cc/Vd9LgMhK/273823...16722141-n.jpg

https://i.postimg.cc/2bqS7tpW/273862...61375564-n.jpg

https://i.postimg.cc/q6yB9CvM/273926...14059733-n.jpg

https://i.postimg.cc/bZzYBrcp/274196...64715456-n.jpg

https://i.postimg.cc/yWcV6c77/274298...67701877-n.jpg

https://i.postimg.cc/1nNyqN6c/274356...42799915-n.jpg

https://i.postimg.cc/HcfsZtHh/274477...03633312-n.jpg

https://i.postimg.cc/yJx17G8G/274567...90743394-n.jpg

https://i.postimg.cc/LJN4KS2f/274613...77888509-n.jpg

https://i.postimg.cc/vcwZ5X01/274682...94640019-n.jpg

https://i.postimg.cc/H8Dd4s9G/274738...40933171-n.jpg

https://i.postimg.cc/Wtk4DxwL/274835...43524589-n.jpg

I suspect if you read the book you will find your answer. Perhaps these are people who provided quotations for the book. There was a Nancy Dill of Putnam County, NY who passed away on June 9, 2021. She hosted a cable tv show called "Positively Good News" which seems to fit with the theme of the book.