Appears in exhibition catalog as entry no. [not numbered]
There are two landscapes by Mr. C.W. Knapp of Philadelphia, which are worth more than a passing notice. [P. 75.]
Eleventh Annual Report of the St. Louis Agricultural and Mechanical Association. Prepared for Publication by J.L. Tracy. St. Louis, Mo.: Printed by Industrial Age Printing Company. (Cor. Third and Walnut.) 1872.