In its early years, the history of the organization was congruent with that of its single publication.

Forget Me Not was published annually until 1847 and there was a single publication for the year 1856.

A year's subscription to a single publication can cost thousands of dollars.

In 2003 the Mays became a single publication.

How could all the data be integrated into a single publication?

"Silent Spring," published in 1962, arguably did more than any other single publication to alert the world to the hazards of chemical poisoning.

Finding a buyer who would pay a sufficiently high price for a single publication would be very difficult.

Authors may even switch between these two uses in a single publication.

No search can possibly cover every single publication or use on earth, and therefore cannot prove that an invention is "new".

So far, not a single publication in the world has demonstrated the therapeutic effects of embryonic stem cells.