Any environmental problem can be traced back to human population levels.

Its history can be traced back to the 15th century.

The history of the approach may be traced back into 19th century.

The paper's name can be traced back to the 1890s.

Those activities can be traced back to 1987 until 1994.

The history of the place is traced back to the 1840s.

There was no one who could be traced back to him.

It had to start over here and be traced back.

The history of this school can be traced back to 1936.

The source of the story was traced back to 4chan.

A county organisation has been traced back to May 1847.

He wanted everything set up without anything that could be traced back to him.

Parts of the current company can be traced back to 17th century companies.

In western Europe its use can be traced back to the 11th century.

Now to follow the traces back to where and when they were created.

Best of all, they wouldn't be traced back to him.

He would make sure none of it could be traced back to him.

It opened in 1966, although its history can be traced back to 1902.

This place has a long history tracing back to the 13th Century.

Its traces back to the early 1900s and continues into the present day.

With an effort, he traced back to the events that had brought him to the place.

But this time, we decided to try to trace back and figure out how these stories developed.

We don't want any involvement being traced back to us.

Another tradition is probably older, and can be traced back to 1507.

The first examples are traced back to the 13th century.