From the looks of the last card above I am going to have to visit downtown more often.
The large building you see in many of these Fountain Square cards are of The Westin Hotel. (See below).
P & G HEADQUARTERS
P & G Fountain
Convention Center Memorial Hall
Aronoff Center for the Arts Piatt Park Playhouse in the Park
Findlay Market Carew Tower
Hyatt Regency The Westin Hotel
Marble Entrance Hall of Mirrors Palm Court Entrance Palm Court Bar
Omni Netherland Plaza Hotel
Clarion Hotel The Cincinnatian Hotel The Regal Cincinnati Marriott