This collection includes the correspondence of J.B. Henry and E.B. Foster between 1890 and 1902. The letters concern business transactions, family news, newspaper clippings, and mineral discoveries. Also includes 13 letters between March 21st and April 20th, 1896, concerning lobbying attempts to secure oil lease rights on Osage tribal land in Kansas as well as newspaper clippings and three packets of zinc mineral samples.

Contractual agreements and related notes and correspondence concerning lease of land in the Osage Reservation of Indian Territory (later the state of Oklahoma) for purposes of cattle grazing and oil and gas exploration. Includes agreements with Independence, Kansas banker Henry Vernon Foster and with Crane & Larimer, also of Independence, Kansas.