1872 – 1908
Letters of the Frontier
Handwritten correspondence chronicling life in early Indian Territory and the founding years of Tulsa.
Late 19th Century
Instruments of Daily Life
Personal artifacts — timepieces, leather-bound journals, and the everyday tools of a settler family.
1890 – 1940
Portraits in Sepia
A gallery of family photographs preserved in original frames, restored for public study and reflection.
1880 – 1960
Family Heirlooms
Quilts, ceramics, silverware, and personal effects spanning three generations of the Semple household.
Permanent Collection
The Semple Archive
Over 1,200 cataloged documents, deeds, receipts, and personal diaries available to researchers by appointment.
1889 – 1910
Tulsa Territorial Maps
Original survey maps and land plats documenting the growth of Tulsa from creek lands to incorporated city.