Items

• [E1579AS], Letter from Egbert Jessup Moore, American Concrete Institute to Stephen Babcock Mambert, January 11th, 1915
  1915-01-11
• [E1579BA], Letter from American Concrete Institute, Egbert Jessup Moore to Stephen Babcock Mambert, January 22nd, 1915
  1915-01-22
• [E1579BM], Letter from Richard Lewis Humphrey, American Concrete Institute to Stephen Babcock Mambert, February 6th, 1915
  1915-02-06
• [E1579BM1], Letter from Richard Lewis Humphrey, American Concrete Institute to Walter Seeley Mallory, February 6th, 1915
  1915-02-06
• [X511A], Report from Cass Gilbert, American Concrete Institute, Richard Lewis Humphrey, Egbert Jessup Moore, William H Ham, August 1915
  1915-08-00