Series B15: Reference Files,, 1864-1888, 1937-1982, undated

The Reference Files subseries contains clippings and other published material concerning architectural topics collected by Ford as reference resources, lists of professional contacts, and some material relating to arts and education. Printed material and photographs of the Youtz-Slick Lift Slab method of construction are also included; additional Lift Slab material is located in Publicity within the Office Records series.