Samuel C. Frey to Abraham Lincoln, 3 September 1858 (Campaign Digital Edition)
Michael C. McLain to Leander Munsell, 8 September 1858 (Campaign Digital Edition)
John S. Winter to Abraham Lincoln, 9 September 1858 (Campaign Digital Edition)
Gustave P. Koerner to Abraham Lincoln, 30 September 1858 (Campaign Digital Edition)