The following are links to a series of studies presented by the Dawn Bible Students Association, related to church history and the formation of the Roman Catholic Church and its doctrines.
The rest of this series is evidently not in html format but rather the only links provided are to the whole issue of magazines in pdf. You will have to search for the related section that continues the series.
Interpreting the Bible (see page 34)
Was the Early Church Catholic? (see page 36)
Development of the True Church (see page 24)