You are writing a research paper on Napoleon's conquests in Russia and you are having trouble finding sources. You have searched the Wikipedia encyclopedia and gotten a biography of Napoleon that is 535 pages long. This book is so long and complicated that you hesitate to use it and when you flipped through it, nothing about Napoleon and Russia "grabbed" you. You conclude that there is no specific evidence on Napoleon's conquests in Russia. Pitfalls in credibility?

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