Randy scanned all of the 71 letters 1839-1881 & others, back in 2009 and you can download them at Drop Box Click on this Link or copy paste https://www.dropbox.com/s/7mkyebumd5pbk6p/Old%20Family%20Letters.zip?dl=0
I am sorry to say but the letters were lost in the transition of Doris move from the Cabin to her Meadows Apartment in town.
Below is the screen you will see. You do not need to create an account.
Some of the letters
A letter in Dorothy Hinman collections dated 3-13-1853 when there were no stamps pasted on an envelope just a rubber stamp. It was to James Phillips Delhi Delaware County Iowa.
End of letter that will be
166 year old this coming 3-13-2019.
End of Feb 02-29-1854 Letter With Prices of Crops