Picture postcards Caption on back of card: The Lincoln-Douglas debate at Galesburg, Illinois was held Oct. 7, 1858, at Old Main, Knox College. One hundred years later, Ralph Fletcher Seymour, Chicago…

Advertising postcards ; Picture postcards Caption on back of card: The Greater Hotel Custer, Galesburg's largest and only fireproof hotel. Newly furnished and rehabilitated. Beautiful air conditioned…

Picture postcards Caption on back of card: On Oct. 7, 1858, on the east lawn of Old Main, Knox College, Galesburg, Illinois, Abraham Lincoln and Stephen A. Douglas debated issues which led to the Civi…

Picture postcards Caption on back of card: On Oct. 7, 1858, on the east lawn of Old Main, Knox College, Galesburg, Illinois, Abraham Lincoln and Stephen A. Douglas debated issues which led to the Civi…

Picture postcards Caption on back of card: 'Old Main,' Knox College, was built in 1857. On October 7, 1858 the famous Lincoln-Douglas debates on the slavery issue took place a the east end of this bui…

Picture postcards Caption on back of card: East side of building as shown, was scene of historic Lincoln-Douglas debate on slavery issue, October 7, 1858, before 20,000 people. Color postcard. Ektachr…