Source: North Manchester Journal, August 8, 1912, Ad:

When Everything Else Fails Try
Chiropractic
[ki-ro-prak-tic]
For Any Disease
Schoolcraft & Schoolcraft
Eel River Phone 432

Source: North Manchester Journal, September 26, 1912, Ad:

Elmer E. Schoolcraft
Ruth S. Schoolcraft
Chiropractors    Phone 423
...We are located at R.A. Schoolcraft's residence, corner Sycamore and Second streets. We are here to stay and do not charge for consultation or spinal analysis. Call and talk with us, no matter what your complaint.