Conversation so far:
What did Stephen E. Ambrose plagiarize?
Stephen Ambrose had taken passages from Wings of Morning: The Story of the Last American Bomber Shot Down over Germany in World War II, by Thomas Childers.
Did Stephen E. Ambrose admit to plagiarizing Wings of Morning: The Story of the Last American Bomber Shot Down over Germany in World War II, by Thomas Childers?
Stephen Ambrose asserted that only a few sentences in all his numerous books were the work of other authors.
Did Stephen E. Ambrose get in trouble for plagiarizing Wings of Morning: The Story of the Last American Bomber Shot Down over Germany in World War II, by Thomas Childers?
Professional historians said damage had already been done to Stephen Ambrose's reputation.

Question: Did he plagiarize any other times?
Self-contained rewrite: Did Stephen E. Ambrose plagiarize other times besides plagiarizing Wings of Morning: The Story of the Last American Bomber Shot Down over Germany in World War II, by Thomas Childers?