Green's St. Louis directory :

Jonathan Jones’
Commercial School ,
Corner Fourth and Chesnut Streets,
St. Louis, Mo.

This Institution, for the last six years, has been devoted to the
instruction of Gentlemen in
Double-Entry Book-Keeping,
upon principles practically adapted to business purposes, the
pupil being conducted through the bona fide operations of the
Counting-house, without a Text-book or Lecture.

N. B. The ability of each pupil to discharge the duties of an
Accountant, in charge of the most complicated books, or to sustain
an examination before a conimitte of accountants of his own
choosing, in every case, is guaranteed.

Tuition Fees in advance; the pupil having the reserved right
of reviewing, during life, free of charge.