"It's hard to consider it real art," said Mary Gray, an urban historian, who has written extensively about art in public places.

Tour leaders are urban and architectural historians.

"I'm flabbergasted," said Tony Hiss, an author and urban historian.

Writing had been everything to Lewis Mumford, the great architectural critic and urban historian who is now 93 years old.

That raises critical issues with which owners, architects and urban historians are only beginning to wrestle.

Two Sunday tours devoted to this area, both beginning at 1 p.m. and led by urban historians.

A 90-minute tour led by John Wilson, an urban historian.

But there are two theories, said John Manbeck, an urban historian; neither is particularly creepy.

Nine years ago I had lunch with an urban historian I greatly respect who was visiting from out of town.

Dolores Hayden is an American professor, urban historian, architect, author, and poet.