- Sears Tower by Bruce Graham/ SOM architect, at Chicago, Illinois, 1974 to 1976, in the Great Buildings Online.www.greatbuildings.com/buildings/Sears_Tower.html
- A closer look at one of the most spectacular engineering projects of the century.www.searstower.org
- Building Big Databank entry on Sears Tower ...www.pbs.org/wgbh/buildingbig/wonder/structure/sears_tower.html
