- placeandsee.com ru/chikago-spair«Чикаго-спайр» (English: Chicago Spire, «Чикагский шпиль») — бывший проект сверхвысокого небоскрёба в городе Чикаго, штата Иллинойс, США.
- web.archive.org web/20090816050127/http://www.…'A twisting 2,000 foot tall tower on the shore of Lake Michigan at the mouth of the Chicago River, the Chicago Spire will house 1,200 exeptional residences...
- chicago.curbed.com 2018/5/16/17360244/400-lake-…The SOM-designed project brings Chicago’s tradition of terra cotta construction into the 21st century.
- lynnbecker.com repeat/calatravachicago/…Some big changes at Santiago Calatrava's proposed 2,000 foot-high Chicago Spire raises the question of whether the city has enough megamillionaires to absorb its...
- makavellys.blogspot.com 2013/01/blog-post.html
- dezeen.com 2018/10/31/400-lake-shore-drive-david-…The controversy surrounding Santiago Calatrava's Chicago Spire site continues, as the city stalls the pair of skyscrapers proposed by SOM's David Childs...
- orangesmile.com extreme/ru/forgotten-buildings/…
- commons.wikimedia.org wiki/Category:Chicago_Spire
- gapersblock.com ac/2008/09/10/holey-chicago-new-…As the most ambitious building project in half a century continues to plod forward, Kelleher Development has released new renderings of the 150 story Chicago Spire...