Weegy: An autobiography by Calamity Jane. An autobiography is a primary source that would provide the most reliable insider view of a particular event. User: An example of a tertiary source is A. a summary of a research article about improving horse racing times. B. a book about the famous horse jockey Jorge Chavez. C. the memoirs of horse jockey Jorge Chavez. D. a magazine article discussing a recent rise in the popularity of horse racing. Weegy: An example of a tertiary source is - a summary of a research article about improving horse racing times. User: Which of the following would be considered a primary source? A. a biography about Winston Churchill B. an audio recording of Winston Churchill C. a timeline of events that involved Winston Churchill D. a reliable Web site that includes facts and statistics about Winston Churchill (More)