Day & Zimmermann.
Metropolitan area pilot transportation study
Report no. 5002 to His Excellency, Syngman Rhee, President, on the condition, rehabilitation, and further development of certain elements in the industry of the Republic of Korea
San Diego as others see us!
Sixty five years with the men of Day & Zimmermann
Special studies for incinerators for the Government of the District of Columbia, Department of Sanitary Engineering