'countless of' is not correct.
The correct phrase is 'countless.' For example, "I have read countless books on the subject."
Countless of them do, from South America, from Africa and increasingly from Asia.
"What's happening with 'The Contender,' they've done this countless of times".
He recalled: Regardless that I've had countless of these cheap machines each one is "baby".
But I would much prefer to see the names of countless of extinguished souls engraved on humble memorials in my country.
And there will be, for me as for so many other captains around the country at this time of the year, countless of dilemmas before kick-off.
"All four of my grandparents narrowly avoided the gas chambers in Auschwitz and countless of their friends met with this fate.
Indexes include any of countless bibliographies of currently published material, usually of articles in periodicals.
The globalized world is a transparency of beliefs, a house of countless layers of reflections.
He mentored generations of mental health professionals and touched the lives of countless number of patients.
It was just one of countless snapshots of grief.
These are made of countless thousands of tesserae, small mosaic tiles laid in a radial pattern.
