Collections
![Letter to Daniel Butterfield from C. Morrell](/sites/default/files/styles/browse_thumbnail/public/content/collection/covers/jbl-butterfield-papers.jpg?itok=y5WGoACZ)
Materials related to Daniel Butterfield's service in the Union Army during the Civil War and his involvement in his father's company (what would become The American Express Company).
![Clarke Family Correspondence](/sites/default/files/styles/browse_thumbnail/public/content/collection/covers/p16694coll66_1670.jpg?itok=dKmvVTIF)
A collection of family correspondence between 1850 and 1920. Mary Gale Clarke labeled and categorized much of family correspondence but the author's name and date.
![page of document](/sites/default/files/styles/browse_thumbnail/public/content/collection/covers/SCHSSamuelJones.jpg?itok=6Qc_72W_)
Letters received or collected by Samuel Jones from his family, friends, and associates, and Samuel Jones’ diary which he kept from 1821 to 1855.
![San Luis Observatory](/sites/default/files/styles/browse_thumbnail/public/content/collection/covers/VJO002.jpeg?itok=GUzfG50b)
This collection contains materials related to the San Luis project.