By the end of the nineteen-nineties, some sixty supermax institutions had opened across the country.

NEWYORKER: Hellhole

Some sixty people, of varying ages, were in attendance, most with jobs at the production companies that would write, shoot, and edit the videos.

NEWYORKER: Streaming Dreams

For the past twenty-five years he has worked on and supervised some sixty projects sponsored by the UK Research Councils, government and industry, the US government and the EU, amongst others.

UNESCO: Who's who

First, the editors changed the makeup of their advisory panel. (The original hundred advisers were not dead white men, but most of them were white men, and the average age was sixty-eight.) Some definitions were made more relativist.

NEWYORKER: The English Wars

Other research in the United States suggests that about one-third of the population -- sixty million people -- may be affected in some way.

BBC: By BBC News Online's Environment Correspondent Alex Kirby

Sixty percent of those duals who live in nursing homes or other institutions have dementia or some other cognitive impairment.

FORBES: Medicaid, The Frail Elderly, And Federal Budget Cuts

As it was, Bridge left Carnegie and made his way down Fifth Avenue from the awe-inspiring, sixty-four-room mansion across from Central Park at 91st Street to an even more imposing structure some twenty blocks south.

NPR: Excerpt: 'Meet You In Hell'