Here are two primary ways to locate books on your topic:
Here are a few notable monographic series and multi-volume sets. To find others, search by "series title" in the Advanced Search of BC Library Search.
Below are some headings assigned to books on the history of Christianity; please know that this list is far from exhaustive. Note that you can also search by a particular geography with "Church history" subheading. For example: "Africa -- Church history"