When Elliot Reed returns to the restaurant/hotel, the windows of the restaurant say "Nellie's" even though the name of the restaurant was changed to "Caroline's" long ago.
Sarah claims to love the corn fields in springtime. Corn is planted in May and harvested between August and October. So there would only be rows of seedlings in spring.
Someone needs to sue Harriet Olson for invasion of privacy.
The spinners Elliot gives the boys are made of plastic.
Jason asks to go to Coney Island, but it was not turned into an amusement park until 1906.
Jeb has belt loops on his pants. Belt loops were not invented until 1922.
Sarah tells her father that she enjoys the cattle walking around the town. There are never any cattle roaming the town.