Section C. Planting plan for Columbus Park; Chicago, Illinois

Ink on linen. Type of plantings. Unsigned. 95 cm. x 85 cm. Scale: 1"=40' [from photographic copy by Lance Burgharrdt]

Preliminary planting plan; Columbus Park; Section D; Chicago, Illinois

Ink on linen. Location, type of plantings; notes. Key to orientation of sections A-D at upper right. Signed. 98 cm. x 75 cm. Scale: 1"=40' [from photographic copy by Lance Burgharrdt]

Summary report on air conditioning of railroad passenger cars. Chicago, Illinois, November 24, 1936.

Mode of access: Internet.