1. The Queens Midtown Tunnel:;Singstad;Am. Soc. Civil Engineers Tr. no. 109,1944
2. Engineering geology in the design and construction of tunnels, p. 69-71 in Paige, Sidney, Editor, Application of Geology to Engineering Practice:;Sanborn;Geol. Soc. America Berkey Volume,1950
3. Geologic features of recent engineering projects in New York City:;Fluhr;Municipal Eng. Jour,1939