Qwest Communications International, Inc. was a large United States telecommunications carrier. Qwest provided local service in 14 western U.S. states: Arizona, Colorado, Idaho, Iowa, Minnesota, Montana, Nebraska, New Mexico, North Dakota, Oregon, South Dakota, Utah, Washington, and Wyoming. On April 22, 2010, CenturyLink announced it would acquire Qwest in a stock transaction. The merger closed on April 1, 2011.
Annotated reading lists, a bibliography, and author and subject indices contribute to the suitability of this anthology as a textbook or supplemental reader. Christian Apologetics: An Anthology of Primary Sources is an authoritative reference for key persons, concepts, issues, and approaches in the history of Christian apologetics. It is especially useful as a supplemental textbook for students, allowing them to read great apologists and thinkers in their own words.
In others, texts can continue to be considered valuable for longer. You should search for additional texts on the topic to find related sources, sources in which this source is cited, and sources that cite this source in order to get a stronger picture of its intellectual relevance and value. For whom is the source written? Is the intended audience a scholarly one? If so, it should have a clear bibliography that you will also be able to consult for further sources. Will you use the source as a primary or secondary text? If the material does not measure up to expected standards of scholarly work, it may still be of use to you.