Also it doesn't contain sources of the contents.

Articles on the front page tended to contain anonymous sources more often than articles inside the paper, the report said.

The 352-page book contains 80 photographs, two maps and extensive sources.

It also contains substantial sources for information about artists.

Nuts contain high sources of selenium and therefore are important for a healthy scalp.

Often it will contain historical documents, outside sources and documents about infrequent situations.

The region contains plentiful sources of oil, natural gas, uranium, and coal.

The island is said to contain sources of oil, minerals etc.

Could you give us written documents containing figures, sources and dates?

Contains an English translation of the letters and other sources integrated with extensive narrative commentary.