Walter Koeltz & Rup Chang at Waterloo, MI, Summer 1956 (horizontal)

By H.H.B." [Harley H. Bartlett?

Walter Koeltz & Rup Chang at Waterloo, MI, Summer 1956 (vertical)

This negative seems taken at same time as similar print inscribed per title / description - perhaps taken by H.H.B. [Harley H. Bartlett?]

Vehicle bumper performance study.

National Highway Safety Bureau, Washington, D.C.

Danmarks løbebiller (Cicindelides & carabides) systematisk beskrevne,

Contains key to the families.