Browse Items (2 total) Subject is exactly "Cows" Browse All Search Items Browse Map Browse by Headings Sort by: TitleCreatorDateDate Added Items open in a separate tab. Close the tab to return to this list. 002. Farm scene Location: Delaware County (Pa.) Date: 1950-1955 Slide marked "Duplicate." No identification. Media Centennial Celebration. Civic Day. Twilight Parade Address: Not known Date: 1950-06-07 Wawa Dairy Farms float with live calf.