Скајлер Колфакс — разлика између измена

* {{Cite book | ref = harv | last=Bain| first =David Haward | title =The Old Iron Road: An Epic of Rails, Roads, and the Urge to Go West | publisher =Penguin Books |year=2004| location =New York City, New York |isbn=978-0143035268| ref = harv|pages=65–6 }}